diff --git a/libraries/libstratosphere/include/stratosphere/kvdb/kvdb_memory_key_value_store.hpp b/libraries/libstratosphere/include/stratosphere/kvdb/kvdb_memory_key_value_store.hpp
index 0b09098d5..567afd8ce 100644
--- a/libraries/libstratosphere/include/stratosphere/kvdb/kvdb_memory_key_value_store.hpp
+++ b/libraries/libstratosphere/include/stratosphere/kvdb/kvdb_memory_key_value_store.hpp
@@ -489,7 +489,7 @@ namespace ams::kvdb {
         private:
             Result SaveArchiveToFile(const char *path, const void *buf, size_t size) {
                 /* Try to delete the archive, but allow deletion failure. */
-                fs::DeleteFile(path);
+                R_DISCARD(fs::DeleteFile(path));
 
                 /* Create new archive. */
                 R_TRY(fs::CreateFile(path, size));
@@ -514,7 +514,7 @@ namespace ams::kvdb {
                     R_TRY(SaveArchiveToFile(m_temp_path.Get(), buffer.Get(), buffer.GetSize()));
 
                     /* Try to delete the saved archive, but allow deletion failure. */
-                    fs::DeleteFile(m_path.Get());
+                    R_DISCARD(fs::DeleteFile(m_path.Get()));
 
                     /* Rename the path. */
                     R_TRY(fs::RenameFile(m_temp_path.Get(), m_path.Get()));
diff --git a/libraries/libstratosphere/source/diag/impl/diag_print_debug_string.os.horizon.cpp b/libraries/libstratosphere/source/diag/impl/diag_print_debug_string.os.horizon.cpp
index 55bbcb931..deb5fe51f 100644
--- a/libraries/libstratosphere/source/diag/impl/diag_print_debug_string.os.horizon.cpp
+++ b/libraries/libstratosphere/source/diag/impl/diag_print_debug_string.os.horizon.cpp
@@ -22,7 +22,7 @@ namespace ams::diag::impl {
         AMS_AUDIT(msg != nullptr || size == 0);
 
         if (size != 0) {
-            svc::OutputDebugString(msg, size);
+            R_DISCARD(svc::OutputDebugString(msg, size));
         }
     }
 
diff --git a/libraries/libstratosphere/source/erpt/srv/erpt_srv_fs_info.os.horizon.cpp b/libraries/libstratosphere/source/erpt/srv/erpt_srv_fs_info.os.horizon.cpp
index dda71d939..49aeb27ee 100644
--- a/libraries/libstratosphere/source/erpt/srv/erpt_srv_fs_info.os.horizon.cpp
+++ b/libraries/libstratosphere/source/erpt/srv/erpt_srv_fs_info.os.horizon.cpp
@@ -499,26 +499,26 @@ namespace ams::erpt::srv {
     }
 
     void ClearFsInfo() {
-        Context::ClearContext(CategoryId_NANDTypeInfo);
-        Context::ClearContext(CategoryId_NANDSpeedModeInfo);
-        Context::ClearContext(CategoryId_NANDExtendedCsd);
-        Context::ClearContext(CategoryId_NANDPatrolInfo);
-        Context::ClearContext(CategoryId_NANDErrorInfo);
-        Context::ClearContext(CategoryId_NANDDriverLog);
-        Context::ClearContext(CategoryId_MicroSDTypeInfo);
-        Context::ClearContext(CategoryId_MicroSDSpeedModeInfo);
-        Context::ClearContext(CategoryId_SdCardSizeSpec);
-        Context::ClearContext(CategoryId_SdCardActivationInfo);
-        Context::ClearContext(CategoryId_SdCardErrorInfo);
-        Context::ClearContext(CategoryId_SdCardDriverLog);
-        Context::ClearContext(CategoryId_GameCardCIDInfo);
-        Context::ClearContext(CategoryId_GameCardErrorInfo);
-        Context::ClearContext(CategoryId_GameCardDetailedErrorInfo);
-        Context::ClearContext(CategoryId_GameCardLogInfo);
-        Context::ClearContext(CategoryId_FsProxyErrorInfo);
-        Context::ClearContext(CategoryId_FsProxyErrorInfo2);
-        Context::ClearContext(CategoryId_FsProxyErrorInfo3);
-        Context::ClearContext(CategoryId_FsMemoryInfo);
+        R_DISCARD(Context::ClearContext(CategoryId_NANDTypeInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_NANDSpeedModeInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_NANDExtendedCsd));
+        R_DISCARD(Context::ClearContext(CategoryId_NANDPatrolInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_NANDErrorInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_NANDDriverLog));
+        R_DISCARD(Context::ClearContext(CategoryId_MicroSDTypeInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_MicroSDSpeedModeInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_SdCardSizeSpec));
+        R_DISCARD(Context::ClearContext(CategoryId_SdCardActivationInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_SdCardErrorInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_SdCardDriverLog));
+        R_DISCARD(Context::ClearContext(CategoryId_GameCardCIDInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_GameCardErrorInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_GameCardDetailedErrorInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_GameCardLogInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_FsProxyErrorInfo));
+        R_DISCARD(Context::ClearContext(CategoryId_FsProxyErrorInfo2));
+        R_DISCARD(Context::ClearContext(CategoryId_FsProxyErrorInfo3));
+        R_DISCARD(Context::ClearContext(CategoryId_FsMemoryInfo));
     }
 
 }
diff --git a/libraries/libstratosphere/source/erpt/srv/erpt_srv_main.cpp b/libraries/libstratosphere/source/erpt/srv/erpt_srv_main.cpp
index 54754cee0..9ecabaf51 100644
--- a/libraries/libstratosphere/source/erpt/srv/erpt_srv_main.cpp
+++ b/libraries/libstratosphere/source/erpt/srv/erpt_srv_main.cpp
@@ -195,7 +195,7 @@ namespace ams::erpt::srv {
             }
         } else{
             /* Pre 21.0.0, Nintendo just calls restore and ignores the result. */
-            Journal::Restore();
+            R_DISCARD(Journal::Restore());
         }
 
         Reporter::UpdatePowerOnTime();
diff --git a/libraries/libstratosphere/source/i2c/driver/board/nintendo/nx/impl/i2c_bus_accessor.cpp b/libraries/libstratosphere/source/i2c/driver/board/nintendo/nx/impl/i2c_bus_accessor.cpp
index a59c6d65d..50a204e42 100644
--- a/libraries/libstratosphere/source/i2c/driver/board/nintendo/nx/impl/i2c_bus_accessor.cpp
+++ b/libraries/libstratosphere/source/i2c/driver/board/nintendo/nx/impl/i2c_bus_accessor.cpp
@@ -114,7 +114,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
             /* If we have a regulator session, set voltage to 2.9V. */
             if (m_has_regulator_session) {
                 /* NOTE: Nintendo does not check the result, here. */
-                regulator::SetVoltageValue(std::addressof(m_regulator_session), 2'900'000u);
+                R_DISCARD(regulator::SetVoltageValue(std::addressof(m_regulator_session), 2'900'000u));
             }
 
             /* Initialize clock/reset library. */
@@ -130,7 +130,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
             const bool was_enabled = regulator::GetVoltageEnabled(std::addressof(m_regulator_session));
 
             /* NOTE: Nintendo does not check the result of this call. */
-            regulator::SetVoltageEnabled(std::addressof(m_regulator_session), true);
+            R_DISCARD(regulator::SetVoltageEnabled(std::addressof(m_regulator_session), true));
 
             /* If we enabled voltage, delay to give our enable time to take. */
             if (!was_enabled) {
@@ -163,7 +163,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
         /* If we have a regulator session, disable voltage. */
         if (m_has_regulator_session) {
             /* NOTE: Nintendo does not check the result of this call. */
-            regulator::SetVoltageEnabled(std::addressof(m_regulator_session), false);
+            R_DISCARD(regulator::SetVoltageEnabled(std::addressof(m_regulator_session), false));
         }
 
         /* Finalize the clock/reset library. */
@@ -233,7 +233,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
 
             /* Disable voltage. */
             if (m_has_regulator_session) {
-                regulator::SetVoltageEnabled(std::addressof(m_regulator_session), false);
+                R_DISCARD(regulator::SetVoltageEnabled(std::addressof(m_regulator_session), false));
             }
         }
 
@@ -272,7 +272,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
                 const bool was_enabled = regulator::GetVoltageEnabled(std::addressof(m_regulator_session));
 
                 /* NOTE: Nintendo does not check the result of this call. */
-                regulator::SetVoltageEnabled(std::addressof(m_regulator_session), true);
+                R_DISCARD(regulator::SetVoltageEnabled(std::addressof(m_regulator_session), true));
 
                 /* If we enabled voltage, delay to give our enable time to take. */
                 if (!was_enabled) {
@@ -337,7 +337,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
         this->SetPacketModeRegisters();
 
         /* Flush fifos. */
-        this->FlushFifos();
+        R_DISCARD(this->FlushFifos());
     }
 
     Result I2cBusAccessor::Send(const u8 *src, size_t src_size, TransactionOption option, u16 slave_address, AddressingMode addressing_mode) {
@@ -516,7 +516,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
         const u32 slave_addr = ((static_cast<u32>(slave_address) & 0x7F) << 1) | (is_read ? 1 : 0);
 
         /* Flush fifos. */
-        this->FlushFifos();
+        R_DISCARD(this->FlushFifos());
 
         /* Enqueue the first header word. */
         reg::Write(m_registers->tx_packet_fifo, IO_PACKET_BITS_ENUM (HEADER_WORD0_PROT_HDR_SZ,    1_WORD),
@@ -765,7 +765,7 @@ namespace ams::i2c::driver::board::nintendo::nx::impl {
                 this->SetPacketModeRegisters();
 
                 /* Flush fifos. */
-                this->FlushFifos();
+                R_DISCARD(this->FlushFifos());
             }
         } R_END_TRY_CATCH_WITH_ABORT_UNLESS;
     }
diff --git a/libraries/libstratosphere/source/kvdb/kvdb_file_key_value_store.cpp b/libraries/libstratosphere/source/kvdb/kvdb_file_key_value_store.cpp
index 955ae0ef0..2e72aaf26 100644
--- a/libraries/libstratosphere/source/kvdb/kvdb_file_key_value_store.cpp
+++ b/libraries/libstratosphere/source/kvdb/kvdb_file_key_value_store.cpp
@@ -273,7 +273,7 @@ namespace ams::kvdb {
 
         /* Delete the file, if it exists. Don't check result, since it's okay if it's already deleted. */
         auto key_path = this->GetPath(key, key_size);
-        fs::DeleteFile(key_path);
+        R_DISCARD(fs::DeleteFile(key_path));
 
         /* Create the new value file. */
         R_TRY(fs::CreateFile(key_path, value_size));
diff --git a/libraries/libstratosphere/source/lm/lm_api.cpp b/libraries/libstratosphere/source/lm/lm_api.cpp
index ee4a22e75..15bf66e10 100644
--- a/libraries/libstratosphere/source/lm/lm_api.cpp
+++ b/libraries/libstratosphere/source/lm/lm_api.cpp
@@ -115,7 +115,7 @@ namespace ams::lm {
     }
 
     void SetDestination(u32 destination) {
-        g_logger->SetDestination(destination);
+        R_DISCARD(g_logger->SetDestination(destination));
     }
 
 }
diff --git a/libraries/libstratosphere/source/lr/lr_location_resolver_manager_impl.cpp b/libraries/libstratosphere/source/lr/lr_location_resolver_manager_impl.cpp
index a7925fa93..c60acdcb5 100644
--- a/libraries/libstratosphere/source/lr/lr_location_resolver_manager_impl.cpp
+++ b/libraries/libstratosphere/source/lr/lr_location_resolver_manager_impl.cpp
@@ -88,7 +88,7 @@ namespace ams::lr {
 
         /* Refresh the resolver. */
         if (storage_id != ncm::StorageId::Host) {
-            (*resolver)->Refresh();
+            R_DISCARD((*resolver)->Refresh());
         }
 
         R_SUCCEED();
diff --git a/libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp b/libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
index dded90f31..6007b894a 100644
--- a/libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_content_manager_impl.cpp
@@ -274,7 +274,7 @@ namespace ams::ncm {
 
             if (root.content_storage != nullptr) {
                 /* N doesn't bother checking the result of this. */
-                root.content_storage->DisableForcibly();
+                R_DISCARD(root.content_storage->DisableForcibly());
                 root.content_storage = nullptr;
 
                 if (root.storage_id == StorageId::Host) {
@@ -514,7 +514,7 @@ namespace ams::ncm {
 
             if (root.content_meta_database != nullptr) {
                 /* N doesn't bother checking the result of this. */
-                root.content_meta_database->DisableForcibly();
+                R_DISCARD(root.content_meta_database->DisableForcibly());
                 root.content_meta_database = nullptr;
                 root.kvs = util::nullopt;
 
@@ -618,12 +618,12 @@ namespace ams::ncm {
 
         /* Disable and unmount all content storage roots. */
         for (size_t i = 0; i < m_num_integrated_content_storage_entries; ++i) {
-            this->InactivateContentStorage(m_integrated_content_storage_roots[i].m_config->storage_id);
+            R_DISCARD(this->InactivateContentStorage(m_integrated_content_storage_roots[i].m_config->storage_id));
         }
 
         /* Disable and unmount all content meta database roots. */
         for (size_t i = 0; i < m_num_integrated_content_meta_entries; ++i) {
-            this->InactivateContentMetaDatabase(m_integrated_content_meta_database_roots[i].m_config->storage_id);
+            R_DISCARD(this->InactivateContentMetaDatabase(m_integrated_content_meta_database_roots[i].m_config->storage_id));
         }
     }
 
@@ -796,7 +796,7 @@ namespace ams::ncm {
     Result ContentManagerImpl::BuildContentMetaDatabaseImpl(StorageId storage_id) {
         /* Temporarily activate the database. */
         R_TRY(this->ActivateContentMetaDatabase(storage_id));
-        ON_SCOPE_EXIT { this->InactivateContentMetaDatabase(storage_id); };
+        ON_SCOPE_EXIT { R_DISCARD(this->InactivateContentMetaDatabase(storage_id)); };
 
         /* Open the content meta database and storage. */
         ContentMetaDatabase meta_db;
@@ -848,7 +848,7 @@ namespace ams::ncm {
         if (R_FAILED(this->ActivateContentMetaDatabase(StorageId::BuiltInSystem))) {
             return true;
         }
-        ON_SCOPE_EXIT { this->InactivateContentMetaDatabase(StorageId::BuiltInSystem); };
+        ON_SCOPE_EXIT { R_DISCARD(this->InactivateContentMetaDatabase(StorageId::BuiltInSystem)); };
 
         /* Open the content meta db. */
         ContentMetaDatabase meta_db;
@@ -976,7 +976,7 @@ namespace ams::ncm {
         /* or an empty kvs, both of which we can fix by performing a rebuild. */
         if (this->IsNeedRebuildSystemContentMetaDatabase()) {
             /* Clean up the system content meta database, to ensure creation can succeed. */
-            this->CleanupContentMetaDatabase(StorageId::BuiltInSystem);
+            R_DISCARD(this->CleanupContentMetaDatabase(StorageId::BuiltInSystem));
 
             /* Create the content meta database. */
             R_TRY(this->CreateContentMetaDatabase(StorageId::BuiltInSystem));
@@ -1005,7 +1005,7 @@ namespace ams::ncm {
         /* NOTE: Nintendo does not check this succeeds, and it does on older system versions. */
         /* We will not check the error, either, even though this kind of defeats the call's purpose. */
         if (hos::GetVersion() >= hos::Version_2_0_0) {
-            EnsureBuiltInSystemSaveDataFlags();
+            R_DISCARD(EnsureBuiltInSystemSaveDataFlags());
         }
 
         /* Activate the content meta database. */
diff --git a/libraries/libstratosphere/source/ncm/ncm_content_storage_impl.cpp b/libraries/libstratosphere/source/ncm/ncm_content_storage_impl.cpp
index db0387503..cc31c7299 100644
--- a/libraries/libstratosphere/source/ncm/ncm_content_storage_impl.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_content_storage_impl.cpp
@@ -510,7 +510,7 @@ namespace ams::ncm {
         PlaceHolderAccessor::MakeBaseDirectoryPath(std::addressof(placeholder_dir), m_root_path);
 
         /* Cleanup the placeholder base directory. */
-        CleanDirectoryRecursively(placeholder_dir);
+        R_DISCARD(CleanDirectoryRecursively(placeholder_dir));
         R_SUCCEED();
     }
 
diff --git a/libraries/libstratosphere/source/ncm/ncm_extended_data_mapper.hpp b/libraries/libstratosphere/source/ncm/ncm_extended_data_mapper.hpp
index 633ffd809..a4bf6f2bc 100644
--- a/libraries/libstratosphere/source/ncm/ncm_extended_data_mapper.hpp
+++ b/libraries/libstratosphere/source/ncm/ncm_extended_data_mapper.hpp
@@ -47,7 +47,7 @@ namespace ams::ncm {
             void Finalize() {
                 /* If we're unused and mapped, we should unmap. */
                 if (!m_is_using && m_is_mapped) {
-                    this->Unmap();
+                    R_DISCARD(this->Unmap());
                 }
             }
         private:
diff --git a/libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp b/libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp
index 231d18064..fc1785705 100644
--- a/libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_install_task_base.cpp
@@ -189,7 +189,7 @@ namespace ams::ncm {
 
             /* Cleanup the content meta. */
             /* N doesn't check the result of this. */
-            this->CleanupOne(content_meta);
+            R_DISCARD(this->CleanupOne(content_meta));
         }
 
         /* Cleanup the data and progress. */
@@ -215,7 +215,7 @@ namespace ams::ncm {
 
             /* Delete placeholders for Prepared or Installed content infos. */
             if (content_info->install_state == InstallState::Prepared || content_info->install_state == InstallState::Installed) {
-                content_storage.DeletePlaceHolder(content_info->placeholder_id);
+                R_DISCARD(content_storage.DeletePlaceHolder(content_info->placeholder_id));
             }
         }
 
@@ -344,7 +344,7 @@ namespace ams::ncm {
             /* Write all prepared content infos. */
             {
                 /* If we fail while writing, update (but don't check the result). */
-                ON_RESULT_FAILURE { m_data->Update(content_meta, i); };
+                ON_RESULT_FAILURE { R_DISCARD(m_data->Update(content_meta, i)); };
 
                 /* Create a writer. */
                 const auto writer = content_meta.GetWriter();
@@ -449,7 +449,7 @@ namespace ams::ncm {
             /* Commit the current meta. */
             {
                 /* Ensure that if something goes wrong during commit, we still try to update. */
-                ON_RESULT_FAILURE { m_data->Update(content_meta, i); };
+                ON_RESULT_FAILURE { R_DISCARD(m_data->Update(content_meta, i)); };
 
                 /* Open a writer. */
                 const auto writer = content_meta.GetWriter();
@@ -636,7 +636,7 @@ namespace ams::ncm {
 
             /* Update the data (and check result) when we are done. */
             {
-                ON_RESULT_FAILURE { m_data->Update(content_meta, i); };
+                ON_RESULT_FAILURE { R_DISCARD(m_data->Update(content_meta, i)); };
 
                 /* Automatically choose a suitable storage id. */
                 auto reader = content_meta.GetReader();
@@ -713,7 +713,7 @@ namespace ams::ncm {
 
         /* Create the placeholder. */
         R_TRY(storage->CreatePlaceHolder(placeholder_id, meta_info.content_id, meta_info.content_size));
-        ON_RESULT_FAILURE { storage->DeletePlaceHolder(placeholder_id); };
+        ON_RESULT_FAILURE { R_DISCARD(storage->DeletePlaceHolder(placeholder_id)); };
 
         /* Output install content info. */
         *out_install_content_info = this->MakeInstallContentInfoFrom(meta_info, placeholder_id, is_temporary);
@@ -740,7 +740,7 @@ namespace ams::ncm {
         content_storage.GetPlaceHolderPath(std::addressof(path), content_info.GetPlaceHolderId());
 
         /* If we fail, delete the placeholder. */
-        ON_RESULT_FAILURE { content_storage.DeletePlaceHolder(content_info.GetPlaceHolderId()); };
+        ON_RESULT_FAILURE { R_DISCARD(content_storage.DeletePlaceHolder(content_info.GetPlaceHolderId())); };
 
         /* Create a new temporary InstallContentInfo if relevant. */
         const bool is_temporary = content_info.is_temporary;
@@ -775,7 +775,7 @@ namespace ams::ncm {
 
         /* If the placeholder is temporary, delete it. */
         if (is_temporary) {
-            content_storage.DeletePlaceHolder(content_info.GetPlaceHolderId());
+            R_DISCARD(content_storage.DeletePlaceHolder(content_info.GetPlaceHolderId()));
         }
 
         R_SUCCEED();
@@ -793,7 +793,7 @@ namespace ams::ncm {
         reader.ConvertToInstallContentMeta(tmp_buffer.Get(), tmp_buffer.GetSize(), InstallContentInfo::Make(ContentInfo::Make(content_id, size, ContentInfo::DefaultContentAttributes, ContentType::Meta), meta_type));
 
         /* Push the content meta. */
-        m_data->Push(tmp_buffer.Get(), tmp_buffer.GetSize());
+        R_DISCARD(m_data->Push(tmp_buffer.Get(), tmp_buffer.GetSize()));
         R_SUCCEED();
     }
 
@@ -807,7 +807,7 @@ namespace ams::ncm {
 
     Result InstallTaskBase::PrepareSystemUpdateDependency() {
         /* Cleanup on failure. */
-        ON_RESULT_FAILURE { this->Cleanup(); };
+        ON_RESULT_FAILURE { R_DISCARD(this->Cleanup()); };
 
         /* Count the number of content meta entries. */
         s32 count;
@@ -1066,7 +1066,7 @@ namespace ams::ncm {
 
     void InstallTaskBase::SetLastResult(Result last_result) {
         std::scoped_lock lk(m_progress_mutex);
-        m_data->SetLastResult(last_result);
+        R_DISCARD(m_data->SetLastResult(last_result));
         m_progress.SetLastResult(last_result);
     }
 
@@ -1183,7 +1183,7 @@ namespace ams::ncm {
         R_TRY(ReadVariationContentMetaInfoList(out_count, out_meta_infos, path, attr, m_firmware_variation_id));
 
         /* Delete the placeholder. */
-        content_storage.DeletePlaceHolder(placeholder_id);
+        R_DISCARD(content_storage.DeletePlaceHolder(placeholder_id));
         R_SUCCEED();
     }
 
@@ -1275,7 +1275,7 @@ namespace ams::ncm {
 
     void InstallTaskBase::SetProgressState(InstallProgressState state) {
         std::scoped_lock lk(m_progress_mutex);
-        m_data->SetState(state);
+        R_DISCARD(m_data->SetState(state));
         m_progress.state = state;
     }
 
diff --git a/libraries/libstratosphere/source/ncm/ncm_install_task_data.cpp b/libraries/libstratosphere/source/ncm/ncm_install_task_data.cpp
index 362876163..307c63d13 100644
--- a/libraries/libstratosphere/source/ncm/ncm_install_task_data.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_install_task_data.cpp
@@ -357,7 +357,7 @@ namespace ams::ncm {
             }
 
             /* NOTE: Nintendo doesn't check that this operation succeeds. */
-            install_task_data.Push(content_meta.data.get(), content_meta.size);
+            R_DISCARD(install_task_data.Push(content_meta.data.get(), content_meta.size));
         }
 
         /* Change from our current data to the new data. */
diff --git a/libraries/libstratosphere/source/ncm/ncm_package_system_downgrade_task.cpp b/libraries/libstratosphere/source/ncm/ncm_package_system_downgrade_task.cpp
index f8abab57b..259c99315 100644
--- a/libraries/libstratosphere/source/ncm/ncm_package_system_downgrade_task.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_package_system_downgrade_task.cpp
@@ -53,7 +53,7 @@ namespace ams::ncm {
 
                 /* Remove matching keys. */
                 for (auto i = 0; i < count.total; i++) {
-                    meta_db.Remove(keys[i]);
+                    R_DISCARD(meta_db.Remove(keys[i]));
                 }
             }
         }
diff --git a/libraries/libstratosphere/source/ncm/ncm_package_system_update_task.cpp b/libraries/libstratosphere/source/ncm/ncm_package_system_update_task.cpp
index 5332d7e60..2684b98ac 100644
--- a/libraries/libstratosphere/source/ncm/ncm_package_system_update_task.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_package_system_update_task.cpp
@@ -19,14 +19,14 @@ namespace ams::ncm {
 
     PackageSystemUpdateTask::~PackageSystemUpdateTask() {
         if (m_context_path.GetLength() > 0) {
-            fs::DeleteFile(m_context_path);
+            R_DISCARD(fs::DeleteFile(m_context_path));
         }
         this->Inactivate();
     }
 
     void PackageSystemUpdateTask::Inactivate() {
         if (m_gamecard_content_meta_database_active) {
-            InactivateContentMetaDatabase(StorageId::GameCard);
+            R_DISCARD(InactivateContentMetaDatabase(StorageId::GameCard));
             m_gamecard_content_meta_database_active = false;
         }
     }
@@ -41,7 +41,7 @@ namespace ams::ncm {
         auto meta_db_guard = SCOPE_GUARD { this->Inactivate(); };
 
         /* Open the game card content meta database. */
-        OpenContentMetaDatabase(std::addressof(m_package_db), StorageId::GameCard);
+        R_DISCARD(OpenContentMetaDatabase(std::addressof(m_package_db), StorageId::GameCard));
 
         ContentMetaDatabaseBuilder builder(std::addressof(m_package_db));
 
@@ -50,9 +50,9 @@ namespace ams::ncm {
         R_TRY(builder.BuildFromPackage(package_root));
 
         /* Create a new context file. */
-        fs::DeleteFile(context_path);
+        R_DISCARD(fs::DeleteFile(context_path));
         R_TRY(FileInstallTaskData::Create(context_path, GameCardMaxContentMetaCount));
-        auto context_guard = SCOPE_GUARD { fs::DeleteFile(context_path); };
+        auto context_guard = SCOPE_GUARD { R_DISCARD(fs::DeleteFile(context_path)); };
 
         /* Initialize data. */
         R_TRY(m_data.Initialize(context_path));
diff --git a/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.cpp b/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.cpp
index 4b392c218..b4e360204 100644
--- a/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_placeholder_accessor.cpp
@@ -115,7 +115,7 @@ namespace ams::ncm {
     void PlaceHolderAccessor::Invalidate(CacheEntry *entry) {
         /* Flush and close the cached entry's file. */
         if (entry != nullptr) {
-            fs::FlushFile(entry->handle);
+            R_DISCARD(fs::FlushFile(entry->handle));
             fs::CloseFile(entry->handle);
             entry->id = InvalidPlaceHolderId;
         }
diff --git a/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp b/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
index 6e1be6f24..a9e587e33 100644
--- a/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
+++ b/libraries/libstratosphere/source/ncm/ncm_submission_package_install_task.cpp
@@ -69,7 +69,7 @@ namespace ams::ncm {
         R_TRY(m_impl->Initialize());
 
         /* Initialize parent. N doesn't check the result. */
-        PackageInstallTask::Initialize(impl::GetRootDirectoryPath(m_impl->GetMountName()).str, storage_id, buffer, buffer_size, ignore_ticket);
+        R_DISCARD(PackageInstallTask::Initialize(impl::GetRootDirectoryPath(m_impl->GetMountName()).str, storage_id, buffer, buffer_size, ignore_ticket));
         R_SUCCEED();
     }
 
diff --git a/libraries/libstratosphere/source/os/impl/os_vamm_manager.cpp b/libraries/libstratosphere/source/os/impl/os_vamm_manager.cpp
index 7bdfbb2da..ebd8fa719 100644
--- a/libraries/libstratosphere/source/os/impl/os_vamm_manager.cpp
+++ b/libraries/libstratosphere/source/os/impl/os_vamm_manager.cpp
@@ -107,7 +107,7 @@ namespace ams::os::impl {
             public:
                 DynamicUnitHeap(uintptr_t address, size_t size, size_t unit_size) : m_start(address), m_end(address + size) {
                     /* Allocate the start of our buffer. */
-                    VammManagerImpl::AllocatePhysicalMemoryImpl(m_start, PhysicalMemoryUnitSize);
+                    R_DISCARD(VammManagerImpl::AllocatePhysicalMemoryImpl(m_start, PhysicalMemoryUnitSize));
 
                     /* Set our current limit. */
                     m_limit = m_start + PhysicalMemoryUnitSize;
diff --git a/libraries/libstratosphere/source/pgl/srv/pgl_srv_api.cpp b/libraries/libstratosphere/source/pgl/srv/pgl_srv_api.cpp
index 77c4580db..2d0a058db 100644
--- a/libraries/libstratosphere/source/pgl/srv/pgl_srv_api.cpp
+++ b/libraries/libstratosphere/source/pgl/srv/pgl_srv_api.cpp
@@ -161,7 +161,7 @@ namespace ams::pgl::srv {
             const size_t sz = settings::fwdbg::GetSettingsItemValue(std::addressof(enable_application_extra_thread), sizeof(enable_application_extra_thread), "application_extra_thread", "enable_application_extra_thread");
             if (sz == sizeof(enable_application_extra_thread) && enable_application_extra_thread != 0) {
                 /* NOTE: Nintendo does not check that this succeeds. */
-                pm::shell::BoostApplicationThreadResourceLimit();
+                R_DISCARD(pm::shell::BoostApplicationThreadResourceLimit());
             }
         }
 
@@ -171,7 +171,7 @@ namespace ams::pgl::srv {
             const size_t sz = settings::fwdbg::GetSettingsItemValue(std::addressof(enable_system_extra_thread), sizeof(enable_system_extra_thread), "application_extra_thread", "enable_system_extra_thread");
             if (sz == sizeof(enable_system_extra_thread) && enable_system_extra_thread != 0) {
                 /* NOTE: Nintendo does not check that this succeeds. */
-                pm::shell::BoostSystemThreadResourceLimit();
+                R_DISCARD(pm::shell::BoostSystemThreadResourceLimit());
             }
         }
 
diff --git a/libraries/libstratosphere/source/pgl/srv/pgl_srv_shell.cpp b/libraries/libstratosphere/source/pgl/srv/pgl_srv_shell.cpp
index 2fff47715..76c5c217a 100644
--- a/libraries/libstratosphere/source/pgl/srv/pgl_srv_shell.cpp
+++ b/libraries/libstratosphere/source/pgl/srv/pgl_srv_shell.cpp
@@ -173,7 +173,7 @@ namespace ams::pgl::srv {
         }
 
         void TriggerSnapShotDumper(os::ProcessId process_id) {
-            TriggerSnapShotDumper(process_id, GetSnapShotDumpType(), nullptr);
+            R_DISCARD(TriggerSnapShotDumper(process_id, GetSnapShotDumpType(), nullptr));
         }
 
         s32 GetCrashReportDetailedArgument(u32 data_flags) {
@@ -195,8 +195,8 @@ namespace ams::pgl::srv {
         void TriggerCrashReport(os::ProcessId process_id) {
             /* If the program that crashed is creport, we should just terminate both processes and return. */
             if (process_id == g_creport_process_id) {
-                TerminateProcess(g_crashed_process_id);
-                TerminateProcess(g_creport_process_id);
+                R_DISCARD(TerminateProcess(g_crashed_process_id));
+                R_DISCARD(TerminateProcess(g_creport_process_id));
                 g_crashed_process_id = os::InvalidProcessId;
                 g_creport_process_id = os::InvalidProcessId;
                 return;
@@ -244,7 +244,7 @@ namespace ams::pgl::srv {
                 if (data != nullptr) {
                     TriggerSnapShotDumper(process_id);
                 } else {
-                    TerminateProcess(process_id);
+                    R_DISCARD(TerminateProcess(process_id));
                 }
             } else {
                 /* Otherwise, we want to launch creport. */
diff --git a/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_battery_driver.cpp b/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_battery_driver.cpp
index 2b4330080..f72a3bad9 100644
--- a/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_battery_driver.cpp
+++ b/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_battery_driver.cpp
@@ -38,7 +38,7 @@ namespace ams::powctl::impl::board::nintendo::nx {
     BatteryDevice::BatteryDevice(bool ev) : m_use_event_handler(ev), m_event_handler() {
         if (m_use_event_handler) {
             /* Create the system event. */
-            os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true);
+            R_DISCARD(os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true));
 
             /* Create the handler. */
             m_event_handler.emplace(this);
diff --git a/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_charger_driver.cpp b/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_charger_driver.cpp
index 0cf1a6209..2995772b6 100644
--- a/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_charger_driver.cpp
+++ b/libraries/libstratosphere/source/powctl/impl/board/nintendo/nx/powctl_charger_driver.cpp
@@ -36,7 +36,7 @@ namespace ams::powctl::impl::board::nintendo::nx {
     ChargerDevice::ChargerDevice(bool ev) : m_gpio_pad_session(), m_watchdog_timer_enabled(false), m_watchdog_timer_timeout(0), m_use_event_handler(ev), m_event_handler() {
         if (m_use_event_handler) {
             /* Create the system event. */
-            os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true);
+            R_DISCARD(os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true));
 
             /* Create the handler. */
             m_event_handler.emplace(this);
diff --git a/libraries/libstratosphere/source/pwm/driver/board/nintendo/nx/impl/pwm_pwm_driver_impl.cpp b/libraries/libstratosphere/source/pwm/driver/board/nintendo/nx/impl/pwm_pwm_driver_impl.cpp
index cc4049e1e..956116890 100644
--- a/libraries/libstratosphere/source/pwm/driver/board/nintendo/nx/impl/pwm_pwm_driver_impl.cpp
+++ b/libraries/libstratosphere/source/pwm/driver/board/nintendo/nx/impl/pwm_pwm_driver_impl.cpp
@@ -51,8 +51,8 @@ namespace ams::pwm::driver::board::nintendo::nx::impl {
     void PwmDriverImpl::PowerOff() {
         /* Disable clock and hold pwm in reset. */
         /* NOTE: Nintendo does not check this succeeds. */
-        pcv::SetClockEnabled(pcv::Module_Pwm, false);
-        pcv::SetReset(pcv::Module_Pwm, true);
+        R_DISCARD(pcv::SetClockEnabled(pcv::Module_Pwm, false));
+        R_DISCARD(pcv::SetReset(pcv::Module_Pwm, true));
 
         /* Finalize pcv driver. */
         pcv::Finalize();
@@ -78,9 +78,9 @@ namespace ams::pwm::driver::board::nintendo::nx::impl {
 
         /* Configure initial settings. */
         /* NOTE: None of these results are checked. */
-        this->SetEnabled(device, false);
-        this->SetScale(device, 0.0);
-        this->SetPeriod(device, DefaultChannelPeriod);
+        R_DISCARD(this->SetEnabled(device, false));
+        R_DISCARD(this->SetScale(device, 0.0));
+        R_DISCARD(this->SetPeriod(device, DefaultChannelPeriod));
         R_SUCCEED();
     }
 
diff --git a/libraries/libstratosphere/source/scs/scs_shell.cpp b/libraries/libstratosphere/source/scs/scs_shell.cpp
index 89794ce61..9a1cd336b 100644
--- a/libraries/libstratosphere/source/scs/scs_shell.cpp
+++ b/libraries/libstratosphere/source/scs/scs_shell.cpp
@@ -344,7 +344,7 @@ namespace ams::scs {
 
         void FlushProgramArgument(ncm::ProgramId program_id) {
             /* Ensure there are no arguments for the program. */
-            ldr::SetProgramArgument(program_id, "", 1);
+            R_DISCARD(ldr::SetProgramArgument(program_id, "", 1));
         }
 
     }
@@ -382,7 +382,7 @@ namespace ams::scs {
 
     Result LaunchProgram(os::ProcessId *out, const ncm::ProgramLocation &loc, const void *args, size_t args_size, u32 process_flags) {
         /* Set up the arguments. */
-        PrepareToLaunchProgram(loc.program_id, args, args_size);
+        R_DISCARD(PrepareToLaunchProgram(loc.program_id, args, args_size));
 
         /* Ensure arguments are managed correctly. */
         ON_SCOPE_EXIT { FlushProgramArgument(loc.program_id); };
diff --git a/libraries/libstratosphere/source/settings/impl/settings_key_value_store.cpp b/libraries/libstratosphere/source/settings/impl/settings_key_value_store.cpp
index d15e42c19..e49211e7d 100644
--- a/libraries/libstratosphere/source/settings/impl/settings_key_value_store.cpp
+++ b/libraries/libstratosphere/source/settings/impl/settings_key_value_store.cpp
@@ -1167,7 +1167,7 @@ namespace ams::settings::impl {
             map_value.current_value_size = prev_value_size;
             map_value.current_value      = prev_value;
 
-            SaveKeyValueStoreMap(*map);
+            R_DISCARD(SaveKeyValueStoreMap(*map));
         };
 
         /* Attempt to save the key value store map. */
@@ -1239,7 +1239,7 @@ namespace ams::settings::impl {
             std::swap(map_value.current_value_size, value_size);
             std::swap(map_value.current_value, value_buffer);
 
-            SaveKeyValueStoreMap(*map);
+            R_DISCARD(SaveKeyValueStoreMap(*map));
         };
 
         /* Attempt to save the key value store map. */
diff --git a/libraries/libstratosphere/source/spl/impl/spl_api_impl.cpp b/libraries/libstratosphere/source/spl/impl/spl_api_impl.cpp
index 93821f85b..820050397 100644
--- a/libraries/libstratosphere/source/spl/impl/spl_api_impl.cpp
+++ b/libraries/libstratosphere/source/spl/impl/spl_api_impl.cpp
@@ -178,7 +178,7 @@ namespace ams::spl::impl {
                 }
                 ~ScopedAesKeySlot() {
                     if (m_allocated) {
-                        DeallocateAesKeySlot(m_slot_index);
+                        R_DISCARD(DeallocateAesKeySlot(m_slot_index));
                     }
                 }
 
@@ -226,7 +226,7 @@ namespace ams::spl::impl {
         void InitializeAsyncOperation() {
             #if defined(ATMOSPHERE_OS_HORIZON)
             u64 interrupt_number;
-            impl::GetConfig(std::addressof(interrupt_number), ConfigItem::SecurityEngineInterruptNumber);
+            R_DISCARD(impl::GetConfig(std::addressof(interrupt_number), ConfigItem::SecurityEngineInterruptNumber));
             g_interrupt_name = static_cast<os::InterruptName>(interrupt_number);
 
             os::InitializeInterruptEvent(std::addressof(g_interrupt), g_interrupt_name, os::EventClearMode_AutoClear);
diff --git a/libraries/libstratosphere/source/sprofile/srv/sprofile_srv_profile_manager.cpp b/libraries/libstratosphere/source/sprofile/srv/sprofile_srv_profile_manager.cpp
index 3e2d11e9e..cdd2036f6 100644
--- a/libraries/libstratosphere/source/sprofile/srv/sprofile_srv_profile_manager.cpp
+++ b/libraries/libstratosphere/source/sprofile/srv/sprofile_srv_profile_manager.cpp
@@ -148,7 +148,7 @@ namespace ams::sprofile::srv {
         R_UNLESS(!m_profile_importer.has_value(), sprofile::ResultInvalidState());
 
         /* Try to load profile metadata. NOTE: result is not checked, it is okay if this fails. */
-        this->LoadPrimaryMetadataImpl();
+        R_DISCARD(this->LoadPrimaryMetadataImpl());
 
         /* Create importer. */
         m_profile_importer.emplace(m_profile_metadata);
diff --git a/libraries/libstratosphere/source/usb/usb_device.cpp b/libraries/libstratosphere/source/usb/usb_device.cpp
index 15a01d111..491bed2b3 100644
--- a/libraries/libstratosphere/source/usb/usb_device.cpp
+++ b/libraries/libstratosphere/source/usb/usb_device.cpp
@@ -254,7 +254,7 @@ namespace ams::usb {
         R_TRY(m_client->AddInterface(this, std::addressof(m_interface), m_interface_num));
 
         /* Ensure we cleanup if we fail after this. */
-        auto intf_guard = SCOPE_GUARD { m_client->DeleteInterface(m_interface_num); m_interface = nullptr; };
+        auto intf_guard = SCOPE_GUARD { R_DISCARD(m_client->DeleteInterface(m_interface_num)); m_interface = nullptr; };
 
         /* Get events. */
         sf::NativeHandle setup_event_handle;
@@ -313,7 +313,7 @@ namespace ams::usb {
         os::DestroySystemEvent(std::addressof(m_ctrl_out_completion_event));
 
         /* Delete ourselves from our cleint. */
-        m_client->DeleteInterface(m_interface_num);
+        R_DISCARD(m_client->DeleteInterface(m_interface_num));
 
         /* Destroy our service. */
         m_interface = nullptr;
@@ -643,7 +643,7 @@ namespace ams::usb {
         m_address = bEndpointAddress;
 
         /* Ensure we clean up if we fail after this. */
-        auto ep_guard = SCOPE_GUARD { m_interface->DeleteEndpoint(m_address); m_endpoint = nullptr; };
+        auto ep_guard = SCOPE_GUARD { R_DISCARD(m_interface->DeleteEndpoint(m_address)); m_endpoint = nullptr; };
 
         /* Get completion event. */
         sf::NativeHandle event_handle;
@@ -672,7 +672,7 @@ namespace ams::usb {
         R_UNLESS(m_is_initialized, usb::ResultNotInitialized());
 
         /* Cancel any pending transactions. */
-        m_endpoint->Cancel();
+        R_DISCARD(m_endpoint->Cancel());
 
         /* Wait for us to be at one reference count. */
         while (m_reference_count > 1) {
diff --git a/libraries/libvapours/source/sdmmc/impl/sdmmc_device_detector.cpp b/libraries/libvapours/source/sdmmc/impl/sdmmc_device_detector.cpp
index 48b9a25fc..7fb7210e0 100644
--- a/libraries/libvapours/source/sdmmc/impl/sdmmc_device_detector.cpp
+++ b/libraries/libvapours/source/sdmmc/impl/sdmmc_device_detector.cpp
@@ -61,7 +61,7 @@ namespace ams::sdmmc::impl {
         gpio::Initialize();
 
         /* Open and configure the pad session. */
-        gpio::OpenSession(std::addressof(m_gpio_pad_session), m_gpio_device_code);
+        R_DISCARD(gpio::OpenSession(std::addressof(m_gpio_pad_session), m_gpio_device_code));
         gpio::SetDirection(std::addressof(m_gpio_pad_session), gpio::Direction_Input);
         gpio::SetDebounceTime(std::addressof(m_gpio_pad_session), m_gpio_debounce_ms);
         gpio::SetDebounceEnabled(std::addressof(m_gpio_pad_session), true);
@@ -200,7 +200,7 @@ namespace ams::sdmmc::impl {
         os::InitializeEvent(std::addressof(m_detector_thread_end_event), false, os::EventClearMode_ManualClear);
 
         /* Create and start the detector thread. */
-        os::CreateThread(std::addressof(m_detector_thread), DetectorThreadEntry, this, m_detector_thread_stack, sizeof(m_detector_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(sdmmc, DeviceDetector));
+        R_DISCARD(os::CreateThread(std::addressof(m_detector_thread), DetectorThreadEntry, this, m_detector_thread_stack, sizeof(m_detector_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(sdmmc, DeviceDetector)));
         os::SetThreadNamePointer(std::addressof(m_detector_thread), AMS_GET_SYSTEM_THREAD_NAME(sdmmc, DeviceDetector));
         os::StartThread(std::addressof(m_detector_thread));
     }
diff --git a/libraries/libvapours/source/sdmmc/impl/sdmmc_sdmmc_controller.board.nintendo_nx.cpp b/libraries/libvapours/source/sdmmc/impl/sdmmc_sdmmc_controller.board.nintendo_nx.cpp
index c3d7a3766..66a9a1806 100644
--- a/libraries/libvapours/source/sdmmc/impl/sdmmc_sdmmc_controller.board.nintendo_nx.cpp
+++ b/libraries/libvapours/source/sdmmc/impl/sdmmc_sdmmc_controller.board.nintendo_nx.cpp
@@ -500,7 +500,7 @@ namespace ams::sdmmc::impl {
                 this->ClearInterrupt();
                 R_SUCCEED();
             } else if (sdmmc::ResultWaitInterruptSoftwareTimeout::Includes(result)) {
-                SdHostStandardController::AbortTransaction();
+                R_DISCARD(SdHostStandardController::AbortTransaction());
                 R_THROW(sdmmc::ResultIssueTuningCommandSoftwareTimeout());
             } else {
                 R_RETURN(result);
diff --git a/stratosphere/TioServer/source/tio_file_server_processor.cpp b/stratosphere/TioServer/source/tio_file_server_processor.cpp
index 7a1f6e3bb..318fd2936 100644
--- a/stratosphere/TioServer/source/tio_file_server_processor.cpp
+++ b/stratosphere/TioServer/source/tio_file_server_processor.cpp
@@ -679,7 +679,7 @@ namespace ams::tio {
 
                                 /* NOTE: Nintendo does not check the output of this call. */
                                 s64 read_count = 0;
-                                fs::ReadDirectory(std::addressof(read_count), reinterpret_cast<fs::DirectoryEntry *>(body), handle, cur);
+                                R_DISCARD(fs::ReadDirectory(std::addressof(read_count), reinterpret_cast<fs::DirectoryEntry *>(body), handle, cur));
 
                                 /* Send the current entries. */
                                 const ssize_t cur_size = read_count * sizeof(fs::DirectoryEntry);
diff --git a/stratosphere/ams_mitm/source/amsmitm_initialization.cpp b/stratosphere/ams_mitm/source/amsmitm_initialization.cpp
index e9979ce52..386048c73 100644
--- a/stratosphere/ams_mitm/source/amsmitm_initialization.cpp
+++ b/stratosphere/ams_mitm/source/amsmitm_initialization.cpp
@@ -89,7 +89,7 @@ namespace ams::mitm {
 
         void CreateAutomaticBackups() {
             /* Create a backup directory, if one doesn't exist. */
-            mitm::fs::CreateAtmosphereSdDirectory("/automatic_backups");
+            R_DISCARD(mitm::fs::CreateAtmosphereSdDirectory("/automatic_backups"));
 
             /* Initialize PRODINFO and get a reference for the device. */
             char device_reference[0x40] = {};
@@ -127,7 +127,7 @@ namespace ams::mitm {
                 char bis_keys_backup_name[ams::fs::EntryNameLengthMax + 1];
                 GetBackupFileName(bis_keys_backup_name, sizeof(bis_keys_backup_name), device_reference, "BISKEYS.bin");
 
-                mitm::fs::CreateAtmosphereSdFile(bis_keys_backup_name, sizeof(bis_keys), ams::fs::CreateOption_None);
+                R_DISCARD(mitm::fs::CreateAtmosphereSdFile(bis_keys_backup_name, sizeof(bis_keys), ams::fs::CreateOption_None));
                 R_ABORT_UNLESS(mitm::fs::OpenAtmosphereSdFile(std::addressof(g_bis_key_file), bis_keys_backup_name, ams::fs::OpenMode_ReadWrite));
                 R_ABORT_UNLESS(fsFileSetSize(std::addressof(g_bis_key_file), sizeof(bis_keys)));
                 R_ABORT_UNLESS(fsFileWrite(std::addressof(g_bis_key_file), 0, bis_keys, sizeof(bis_keys), FsWriteOption_Flush));
@@ -153,11 +153,11 @@ namespace ams::mitm {
             mitm::fs::OpenGlobalSdCardFileSystem();
 
             /* Mount the sd card at a convenient mountpoint. */
-            ams::fs::MountSdCard(ams::fs::impl::SdCardFileSystemMountName);
+            R_DISCARD(ams::fs::MountSdCard(ams::fs::impl::SdCardFileSystemMountName));
 
             /* Initialize the reboot manager (load a payload off the SD). */
             /* Discard result, since it doesn't need to succeed. */
-            mitm::bpc::LoadRebootPayload();
+            R_DISCARD(mitm::bpc::LoadRebootPayload());
 
             /* Backup Calibration Binary and BIS keys. */
             CreateAutomaticBackups();
@@ -167,7 +167,7 @@ namespace ams::mitm {
                 if (const char *emummc_file_path = emummc::GetFilePath(); emummc_file_path != nullptr) {
                     char emummc_path[ams::fs::EntryNameLengthMax + 1];
                     util::SNPrintf(emummc_path, sizeof(emummc_path), "%s/eMMC", emummc_file_path);
-                    mitm::fs::OpenSdFile(std::addressof(g_emummc_file), emummc_path, ams::fs::OpenMode_Read);
+                    R_DISCARD(mitm::fs::OpenSdFile(std::addressof(g_emummc_file), emummc_path, ams::fs::OpenMode_Read));
                 }
 
                 /* NOTE: due to an Atmosphere bug, NS accesses to the Nintendo dir accessed /Nintendo/Nintendo */
@@ -185,7 +185,7 @@ namespace ams::mitm {
                         /* Ensure Contents directory exists for normal emummc. */
                         /* NOTE: Allowed to fail on already-exists. */
                         util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s/Contents", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
-                        ams::fs::CreateDirectory(emummc_path);
+                        R_DISCARD(ams::fs::CreateDirectory(emummc_path));
 
                         /* Fix Contents/private */
                         util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s/Contents/private", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
diff --git a/stratosphere/ams_mitm/source/amsmitm_prodinfo_utils.cpp b/stratosphere/ams_mitm/source/amsmitm_prodinfo_utils.cpp
index 8722877fd..1e419f8f8 100644
--- a/stratosphere/ams_mitm/source/amsmitm_prodinfo_utils.cpp
+++ b/stratosphere/ams_mitm/source/amsmitm_prodinfo_utils.cpp
@@ -436,7 +436,7 @@ namespace ams::mitm {
             GetBackupFileName(backup_fn, sizeof(backup_fn), info);
 
             /* Create the file, in case it does not exist. */
-            mitm::fs::CreateAtmosphereSdFile(backup_fn, sizeof(CalibrationInfo), ams::fs::CreateOption_None);
+            R_DISCARD(mitm::fs::CreateAtmosphereSdFile(backup_fn, sizeof(CalibrationInfo), ams::fs::CreateOption_None));
 
             /* Open the file. */
             FsFile libnx_file;
diff --git a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_debug.cpp b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_debug.cpp
index 477ac2f98..2c1672a25 100644
--- a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_debug.cpp
+++ b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_debug.cpp
@@ -40,10 +40,10 @@ namespace ams::mitm::socket::resolver {
 
             if (g_log_enabled) {
                 /* Create the logs directory. */
-                mitm::fs::CreateAtmosphereSdDirectory("/logs");
+                R_DISCARD(mitm::fs::CreateAtmosphereSdDirectory("/logs"));
 
                 /* Create the log file. */
-                mitm::fs::CreateAtmosphereSdFile("/logs/dns_mitm_debug.log", 0, ams::fs::CreateOption_None);
+                R_DISCARD(mitm::fs::CreateAtmosphereSdFile("/logs/dns_mitm_debug.log", 0, ams::fs::CreateOption_None));
 
                 /* Open the log file. */
                 R_ABORT_UNLESS(mitm::fs::OpenAtmosphereSdFile(std::addressof(g_log_file), "/logs/dns_mitm_debug.log", ams::fs::OpenMode_ReadWrite | ams::fs::OpenMode_AllowAppend));
diff --git a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_host_redirection.cpp b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_host_redirection.cpp
index ea6f1eb09..d7364fa60 100644
--- a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_host_redirection.cpp
+++ b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_host_redirection.cpp
@@ -313,8 +313,8 @@ namespace ams::mitm::socket::resolver {
 
         /* Open log file. */
         ::FsFile log_file;
-        mitm::fs::DeleteAtmosphereSdFile("/logs/dns_mitm_startup.log");
-        mitm::fs::CreateAtmosphereSdDirectory("/logs");
+        R_DISCARD(mitm::fs::DeleteAtmosphereSdFile("/logs/dns_mitm_startup.log"));
+        R_DISCARD(mitm::fs::CreateAtmosphereSdDirectory("/logs"));
         R_ABORT_UNLESS(mitm::fs::CreateAtmosphereSdFile("/logs/dns_mitm_startup.log", 0, ams::fs::CreateOption_None));
         R_ABORT_UNLESS(mitm::fs::OpenAtmosphereSdFile(std::addressof(log_file), "/logs/dns_mitm_startup.log", ams::fs::OpenMode_ReadWrite | ams::fs::OpenMode_AllowAppend));
         ON_SCOPE_EXIT { ::fsFileClose(std::addressof(log_file)); };
@@ -325,7 +325,7 @@ namespace ams::mitm::socket::resolver {
         if (!mitm::fs::HasAtmosphereSdFile("/hosts/default.txt")) {
             Log(log_file, "Creating /hosts/default.txt because it does not exist.\n");
 
-            mitm::fs::CreateAtmosphereSdDirectory("/hosts");
+            R_DISCARD(mitm::fs::CreateAtmosphereSdDirectory("/hosts"));
             R_ABORT_UNLESS(mitm::fs::CreateAtmosphereSdFile("/hosts/default.txt", sizeof(DefaultHostsFile) - 1, ams::fs::CreateOption_None));
 
             ::FsFile default_file;
diff --git a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_module.cpp b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_module.cpp
index 004c3a1c4..5d185cc23 100644
--- a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_module.cpp
+++ b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_module.cpp
@@ -131,7 +131,7 @@ namespace ams::mitm::socket::resolver {
         }
 
         /* Initialize the socket allocator. */
-        ams::socket::InitializeAllocatorForInternal(g_resolver_allocator_buffer, sizeof(g_resolver_allocator_buffer));
+        R_DISCARD(ams::socket::InitializeAllocatorForInternal(g_resolver_allocator_buffer, sizeof(g_resolver_allocator_buffer)));
 
         /* Initialize debug. */
         resolver::InitializeDebug(ShouldEnableDebugLog());
diff --git a/stratosphere/ams_mitm/source/fs_mitm/fs_mitm_service.cpp b/stratosphere/ams_mitm/source/fs_mitm/fs_mitm_service.cpp
index f82a6e806..adaad71e2 100644
--- a/stratosphere/ams_mitm/source/fs_mitm/fs_mitm_service.cpp
+++ b/stratosphere/ams_mitm/source/fs_mitm/fs_mitm_service.cpp
@@ -262,7 +262,7 @@ namespace ams::mitm::fs {
             constexpr const fs::Path root_path = fs::MakeConstantPath("/");
 
             u8 savedata_copy_buffer[2_KB];
-            fssystem::CopyDirectoryRecursively(dirsave_ifs.get(), save_ifs.get(), root_path, root_path, std::addressof(work_entry), savedata_copy_buffer, sizeof(savedata_copy_buffer));
+            R_DISCARD(fssystem::CopyDirectoryRecursively(dirsave_ifs.get(), save_ifs.get(), root_path, root_path, std::addressof(work_entry), savedata_copy_buffer, sizeof(savedata_copy_buffer)));
         }
 
         /* Set output. */
diff --git a/stratosphere/ams_mitm/source/set_mitm/set_mitm_service.cpp b/stratosphere/ams_mitm/source/set_mitm/set_mitm_service.cpp
index 0915a10ab..eacadd8b4 100644
--- a/stratosphere/ams_mitm/source/set_mitm/set_mitm_service.cpp
+++ b/stratosphere/ams_mitm/source/set_mitm/set_mitm_service.cpp
@@ -90,7 +90,7 @@ namespace ams::mitm::settings {
     }
 
     Result SetMitmService::GetLanguageCode(sf::Out<settings::LanguageCode> out) {
-        this->EnsureLocale();
+        R_DISCARD(this->EnsureLocale());
 
         /* If there's no override locale, just use the actual one. */
         if (AMS_UNLIKELY(!m_is_valid_language)) {
@@ -109,7 +109,7 @@ namespace ams::mitm::settings {
     }
 
     Result SetMitmService::GetRegionCode(sf::Out<settings::RegionCode> out) {
-        this->EnsureLocale();
+        R_DISCARD(this->EnsureLocale());
 
         /* If there's no override locale, just use the actual one. */
         if (AMS_UNLIKELY(!m_is_valid_region)) {
diff --git a/stratosphere/boot/source/boot_check_battery.cpp b/stratosphere/boot/source/boot_check_battery.cpp
index 07fea7065..d6e3ef332 100644
--- a/stratosphere/boot/source/boot_check_battery.cpp
+++ b/stratosphere/boot/source/boot_check_battery.cpp
@@ -490,7 +490,7 @@ namespace ams::boot {
             }
 
             if (input_current_limit_ma <= 150) {
-                charger_driver.SetChargerConfiguration(powctl::ChargerConfiguration_ChargeDisable);
+                R_DISCARD(charger_driver.SetChargerConfiguration(powctl::ChargerConfiguration_ChargeDisable));
                 boot::ShutdownSystem();
             }
         }
diff --git a/stratosphere/boot/source/boot_display.cpp b/stratosphere/boot/source/boot_display.cpp
index 52470c972..ee6fdc80a 100644
--- a/stratosphere/boot/source/boot_display.cpp
+++ b/stratosphere/boot/source/boot_display.cpp
@@ -262,10 +262,10 @@ namespace ams::boot {
             R_ABORT_UNLESS(i2c::driver::OpenSession(std::addressof(i2c_session), i2c::DeviceCode_Max77620Pmic));
 
             if (g_soc_type == spl::SocType_Mariko) {
-                WriteI2cRegister(i2c_session, 0x18, 0x3A);
-                WriteI2cRegister(i2c_session, 0x1F, 0x71);
+                R_DISCARD(WriteI2cRegister(i2c_session, 0x18, 0x3A));
+                R_DISCARD(WriteI2cRegister(i2c_session, 0x1F, 0x71));
             }
-            WriteI2cRegister(i2c_session, 0x23, 0xD0);
+            R_DISCARD(WriteI2cRegister(i2c_session, 0x23, 0xD0));
 
             i2c::driver::CloseSession(i2c_session);
         }
diff --git a/stratosphere/boot/source/boot_pmic_driver.cpp b/stratosphere/boot/source/boot_pmic_driver.cpp
index 2c3d80daf..eb86a0734 100644
--- a/stratosphere/boot/source/boot_pmic_driver.cpp
+++ b/stratosphere/boot/source/boot_pmic_driver.cpp
@@ -119,7 +119,7 @@ namespace ams::boot {
         desired_shutdown_enabled &= use_desired_shutdown;
 
         if (shutdown_enabled != desired_shutdown_enabled) {
-            battery_driver.SetI2cShutdownEnabled(desired_shutdown_enabled);
+            R_DISCARD(battery_driver.SetI2cShutdownEnabled(desired_shutdown_enabled));
         }
     }
 
diff --git a/stratosphere/creport/source/creport_crash_report.cpp b/stratosphere/creport/source/creport_crash_report.cpp
index fec6cbc67..6afb794c9 100644
--- a/stratosphere/creport/source/creport_crash_report.cpp
+++ b/stratosphere/creport/source/creport_crash_report.cpp
@@ -53,8 +53,8 @@ namespace ams::creport {
         }
 
         void TryCreateReportDirectories() {
-            fs::EnsureDirectory("sdmc:/atmosphere/crash_reports/dumps");
-            fs::EnsureDirectory("sdmc:/atmosphere/fatal_reports/dumps");
+            R_DISCARD(fs::EnsureDirectory("sdmc:/atmosphere/crash_reports/dumps"));
+            R_DISCARD(fs::EnsureDirectory("sdmc:/atmosphere/fatal_reports/dumps"));
         }
 
         constexpr const char *GetDebugExceptionString(const svc::DebugException type) {
@@ -244,7 +244,7 @@ namespace ams::creport {
                 m_result = creport::ResultUserBreak();
                 /* Try to parse out the user break result. */
                 if (hos::GetVersion() >= hos::Version_5_0_0) {
-                    svc::ReadDebugProcessMemory(reinterpret_cast<uintptr_t>(std::addressof(m_result)), m_debug_handle, d.info.exception.specific.user_break.address, sizeof(m_result));
+                    R_DISCARD(svc::ReadDebugProcessMemory(reinterpret_cast<uintptr_t>(std::addressof(m_result)), m_debug_handle, d.info.exception.specific.user_break.address, sizeof(m_result)));
                 }
                 break;
             case svc::DebugException_UndefinedSystemCall:
@@ -289,7 +289,7 @@ namespace ams::creport {
         }
 
         /* Read the dying message. */
-        svc::ReadDebugProcessMemory(reinterpret_cast<uintptr_t>(m_dying_message), m_debug_handle, m_dying_message_address, m_dying_message_size);
+        R_DISCARD(svc::ReadDebugProcessMemory(reinterpret_cast<uintptr_t>(m_dying_message), m_debug_handle, m_dying_message_address, m_dying_message_size));
     }
 
     void CrashReport::SaveReport(bool enable_screenshot) {
diff --git a/stratosphere/creport/source/creport_main.cpp b/stratosphere/creport/source/creport_main.cpp
index 5e5d38e09..8bcfccec7 100644
--- a/stratosphere/creport/source/creport_main.cpp
+++ b/stratosphere/creport/source/creport_main.cpp
@@ -123,7 +123,7 @@ namespace ams {
                 if (R_SUCCEEDED(pgl::Initialize())) {
                     ON_SCOPE_EXIT { pgl::Finalize(); };
 
-                    pgl::TerminateProcess(crashed_pid);
+                    R_DISCARD(pgl::TerminateProcess(crashed_pid));
                 }
             } else {
                 /* Use ns to terminate. */
diff --git a/stratosphere/creport/source/creport_scoped_file.hpp b/stratosphere/creport/source/creport_scoped_file.hpp
index 5adcbeb09..dcdd1d773 100644
--- a/stratosphere/creport/source/creport_scoped_file.hpp
+++ b/stratosphere/creport/source/creport_scoped_file.hpp
@@ -38,9 +38,9 @@ namespace ams::creport {
             ~ScopedFile() {
                 if (m_opened) {
                     if (m_cache != nullptr) {
-                        this->TryWriteCache();
+                        R_DISCARD(this->TryWriteCache());
                     }
-                    fs::FlushFile(m_file);
+                    R_DISCARD(fs::FlushFile(m_file));
                     fs::CloseFile(m_file);
                 }
             }
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager.cpp b/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager.cpp
index 956226448..99dc434d4 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager.cpp
@@ -29,7 +29,7 @@ namespace ams::dmnt {
         for (size_t i = 0; (bp = static_cast<BreakPoint *>(this->GetBreakPoint(i))) != nullptr; ++i) {
             if (bp->m_in_use && bp->m_is_step) {
                 AMS_DMNT2_GDB_LOG_DEBUG("BreakPointManager::ClearStep %p 0x%lx (idx=%zu)\n", bp, bp->m_address, i);
-                bp->Clear(m_debug_process);
+                R_DISCARD(bp->Clear(m_debug_process));
             }
         }
     }
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager_base.cpp b/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager_base.cpp
index 0819798e3..43022b8b0 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager_base.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_breakpoint_manager_base.cpp
@@ -28,7 +28,7 @@ namespace ams::dmnt {
         BreakPointBase *bp = nullptr;
         for (size_t i = 0; (bp = static_cast<BreakPointBase *>(this->GetBreakPoint(i))) != nullptr; ++i) {
             if (bp->m_in_use) {
-                bp->Clear(m_debug_process);
+                R_DISCARD(bp->Clear(m_debug_process));
             }
         }
     }
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_debug_process.cpp b/stratosphere/dmnt.gen2/source/dmnt2_debug_process.cpp
index 4f25c1f5e..e94ca9731 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_debug_process.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_debug_process.cpp
@@ -44,7 +44,7 @@ namespace ams::dmnt {
 
         /* Get our process id. */
         u64 pid_value = 0;
-        svc::GetProcessId(std::addressof(pid_value), m_debug_handle);
+        R_DISCARD(svc::GetProcessId(std::addressof(pid_value), m_debug_handle));
 
         m_process_id = { pid_value };
 
@@ -413,7 +413,7 @@ namespace ams::dmnt {
 
         /* Get the instruction where we were. */
         u32 insn = 0;
-        this->ReadMemory(std::addressof(insn), pc, sizeof(insn));
+        R_DISCARD(this->ReadMemory(std::addressof(insn), pc, sizeof(insn)));
 
         /* Handle by architecture. */
         bool is_call = false;
@@ -471,7 +471,7 @@ namespace ams::dmnt {
     }
 
     Result DebugProcess::ClearBreakPoint(uintptr_t address, size_t size) {
-        m_software_breakpoints.ClearBreakPoint(address, size);
+        R_DISCARD(m_software_breakpoints.ClearBreakPoint(address, size));
         R_SUCCEED();
     }
 
@@ -480,7 +480,7 @@ namespace ams::dmnt {
     }
 
     Result DebugProcess::ClearHardwareBreakPoint(uintptr_t address, size_t size) {
-        m_hardware_breakpoints.ClearBreakPoint(address, size);
+        R_DISCARD(m_hardware_breakpoints.ClearBreakPoint(address, size));
         R_SUCCEED();
     }
 
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
index 757a237a8..83c2489cb 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.cpp
@@ -1030,7 +1030,7 @@ namespace ams::dmnt {
                                         const auto reason = info.break_reason & ~svc::BreakReason_NotificationOnlyFlag;
                                         if (reason == svc::BreakReason_PostLoadDll || reason == svc::BreakReason_PostUnloadDll) {
                                             /* Re-collect the process's modules. */
-                                            m_debug_process.CollectModules();
+                                            R_DISCARD(m_debug_process.CollectModules());
                                         }
 
                                         if (m_debug_process.GetOverrideStatus().IsHbl() && reason == svc::BreakReason_PostLoadDll) {
@@ -1049,7 +1049,7 @@ namespace ams::dmnt {
                                         }
 
                                         /* This was just a notification, so we should continue. */
-                                        m_debug_process.Continue();
+                                        R_DISCARD(m_debug_process.Continue());
                                         continue;
                                     }
 
@@ -1064,7 +1064,7 @@ namespace ams::dmnt {
 
                                             if (!is_svc_break) {
                                                 AMS_DMNT2_GDB_LOG_ERROR("UserBreak from non-SvcBreak (%08x)\n", insn);
-                                                m_debug_process.Continue();
+                                                R_DISCARD(m_debug_process.Continue());
                                                 continue;
                                             }
                                         }
@@ -1194,7 +1194,7 @@ namespace ams::dmnt {
                         AMS_DMNT2_GDB_LOG_DEBUG("CreateThread %lx\n", thread_id);
 
                         if (m_debug_process.IsValid()) {
-                            m_debug_process.Continue();
+                            R_DISCARD(m_debug_process.Continue());
                         } else {
                             AppendReplyFormat(reply_cur, reply_end, "W00");
                         }
@@ -1205,7 +1205,7 @@ namespace ams::dmnt {
                         AMS_DMNT2_GDB_LOG_DEBUG("ExitThread %lx\n", thread_id);
 
                         if (m_debug_process.IsValid()) {
-                            m_debug_process.Continue();
+                            R_DISCARD(m_debug_process.Continue());
                         } else {
                             AppendReplyFormat(reply_cur, reply_end, "W00");
                         }
@@ -1227,7 +1227,7 @@ namespace ams::dmnt {
                     break;
                 default:
                     AMS_DMNT2_GDB_LOG_DEBUG("Unhandled ProcessEvent %u %lx\n", static_cast<u32>(d.type), thread_id);
-                    m_debug_process.Continue();
+                    R_DISCARD(m_debug_process.Continue());
                     break;
             }
 
@@ -1235,7 +1235,7 @@ namespace ams::dmnt {
                 bool do_break;
                 this->SendPacket(std::addressof(do_break), send_buffer);
                 if (do_break) {
-                    m_debug_process.Break();
+                    R_DISCARD(m_debug_process.Break());
                 }
             }
         }
@@ -1250,7 +1250,7 @@ namespace ams::dmnt {
 
         /* Get the thread context. */
         svc::ThreadContext thread_context = {};
-        m_debug_process.GetThreadContext(std::addressof(thread_context), thread_id, svc::ThreadContextFlag_General | svc::ThreadContextFlag_Control);
+        R_DISCARD(m_debug_process.GetThreadContext(std::addressof(thread_context), thread_id, svc::ThreadContextFlag_General | svc::ThreadContextFlag_Control));
 
         /* Add important registers. */
         /* TODO: aarch32 */
@@ -1280,7 +1280,7 @@ namespace ams::dmnt {
         /* Add the thread core. */
         {
             u32 core = 0;
-            m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_id);
+            R_DISCARD(m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_id));
 
             AppendReplyFormat(m_reply_cur, m_reply_end, ";core:%u;", core);
         }
@@ -1305,7 +1305,7 @@ namespace ams::dmnt {
 
             /* If we should, break the process. */
             if (do_break) {
-                m_debug_process.Break();
+                R_DISCARD(m_debug_process.Break());
             }
         }
     }
@@ -1721,7 +1721,7 @@ namespace ams::dmnt {
     }
 
     void GdbServerImpl::k() {
-        m_debug_process.Terminate();
+        R_DISCARD(m_debug_process.Terminate());
         m_killed = true;
     }
 
@@ -2369,7 +2369,7 @@ namespace ams::dmnt {
 
                     /* Get the thread core. */
                     u32 core = 0;
-                    m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_ids[i]);
+                    R_DISCARD(m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_ids[i]));
 
                     /* Get the thread name. */
                     char name[os::ThreadNameLengthMax + 1];
diff --git a/stratosphere/dmnt.gen2/source/dmnt2_hardware_breakpoint.cpp b/stratosphere/dmnt.gen2/source/dmnt2_hardware_breakpoint.cpp
index 563918825..5d9079b4c 100644
--- a/stratosphere/dmnt.gen2/source/dmnt2_hardware_breakpoint.cpp
+++ b/stratosphere/dmnt.gen2/source/dmnt2_hardware_breakpoint.cpp
@@ -197,7 +197,7 @@ namespace ams::dmnt {
             g_last_bp_ctx_register = g_last_bp_register;
             for (int i = g_last_bp_ctx_register; i >= static_cast<int>(svc::HardwareBreakPointRegisterName_I0); --i) {
                 const Result result = svc::SetHardwareBreakPoint(static_cast<svc::HardwareBreakPointRegisterName>(i), dbgbcr, svc::PseudoHandle::CurrentProcess);
-                svc::SetHardwareBreakPoint(static_cast<svc::HardwareBreakPointRegisterName>(i), 0, 0);
+                R_DISCARD(svc::SetHardwareBreakPoint(static_cast<svc::HardwareBreakPointRegisterName>(i), 0, 0));
 
                 if (R_FAILED(result)) {
                     if (!svc::ResultInvalidHandle::Includes(result)) {
diff --git a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
index 627c56bdd..521461c89 100644
--- a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
+++ b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_api.cpp
@@ -346,7 +346,7 @@ namespace ams::dmnt::cheat::impl {
                 Result ResumeCheatProcessUnsafe() {
                     m_broken_unsafe = false;
                     m_unsafe_break_event.Signal();
-                    dmnt::cheat::impl::ContinueCheatProcess(this->GetCheatProcessHandle());
+                    R_DISCARD(dmnt::cheat::impl::ContinueCheatProcess(this->GetCheatProcessHandle()));
                     R_SUCCEED();
                 }
 
@@ -682,7 +682,7 @@ namespace ams::dmnt::cheat::impl {
             while (true) {
                 eventLoadRemote(std::addressof(hook), manager->HookToCreateApplicationProcess(), true);
                 if (R_SUCCEEDED(eventWait(std::addressof(hook), std::numeric_limits<u64>::max()))) {
-                    manager->AttachToApplicationProcess(true);
+                    R_DISCARD(manager->AttachToApplicationProcess(true));
                 }
                 eventClose(std::addressof(hook));
             }
@@ -760,7 +760,7 @@ namespace ams::dmnt::cheat::impl {
                             const auto &value  = entry.GetValue();
 
                             /* Use Write SVC directly, to avoid the usual frozen address update logic. */
-                            svc::WriteDebugProcessMemory(manager->GetCheatProcessHandle(), reinterpret_cast<uintptr_t>(std::addressof(value.value)), address, value.width);
+                            R_DISCARD(svc::WriteDebugProcessMemory(manager->GetCheatProcessHandle(), reinterpret_cast<uintptr_t>(std::addressof(value.value)), address, value.width));
                         }
                     }
                 }
@@ -1146,8 +1146,8 @@ namespace ams::dmnt::cheat::impl {
             {
                 char path[fs::EntryNameLengthMax + 1];
                 util::SNPrintf(path, sizeof(path), "sdmc:/atmosphere/contents/%016lx/cheats/toggles.txt", program_id.value);
-                fs::DeleteFile(path);
-                fs::CreateFile(path, 0);
+                R_DISCARD(fs::DeleteFile(path));
+                R_DISCARD(fs::CreateFile(path, 0));
                 if (R_FAILED(fs::OpenFile(std::addressof(file), path, fs::OpenMode_Write | fs::OpenMode_AllowAppend))) {
                     return;
                 }
diff --git a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_vm.cpp b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_vm.cpp
index c1ecfb675..11b25b3a2 100644
--- a/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_vm.cpp
+++ b/stratosphere/dmnt/source/cheat/impl/dmnt_cheat_vm.cpp
@@ -21,7 +21,7 @@ namespace ams::dmnt::cheat::impl {
 
     void CheatVirtualMachine::DebugLog(u32 log_id, u64 value) {
         /* Just unconditionally try to create the log folder. */
-        fs::EnsureDirectory("sdmc:/atmosphere/cheat_vm_logs");
+        R_DISCARD(fs::EnsureDirectory("sdmc:/atmosphere/cheat_vm_logs"));
 
         fs::FileHandle log_file;
         {
@@ -40,7 +40,7 @@ namespace ams::dmnt::cheat::impl {
 
         char log_value[18];
         util::SNPrintf(log_value, sizeof(log_value), "%016lx\n", value);
-        fs::WriteFile(log_file, log_offset, log_value, std::strlen(log_value), fs::WriteOption::Flush);
+        R_DISCARD(fs::WriteFile(log_file, log_offset, log_value, std::strlen(log_value), fs::WriteOption::Flush));
     }
 
     void CheatVirtualMachine::OpenDebugLogFile() {
@@ -796,7 +796,7 @@ namespace ams::dmnt::cheat::impl {
         u64 kHeld = 0;
 
         /* Get Keys held. */
-        hid::GetKeysHeld(std::addressof(kHeld));
+        R_DISCARD(hid::GetKeysHeld(std::addressof(kHeld)));
 
         this->OpenDebugLogFile();
         ON_SCOPE_EXIT { this->CloseDebugLogFile(); };
@@ -838,7 +838,7 @@ namespace ams::dmnt::cheat::impl {
                             case 2:
                             case 4:
                             case 8:
-                                dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.store_static.bit_width);
+                                R_DISCARD(dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.store_static.bit_width));
                                 break;
                         }
                     }
@@ -853,7 +853,7 @@ namespace ams::dmnt::cheat::impl {
                             case 2:
                             case 4:
                             case 8:
-                                dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(src_address, std::addressof(src_value), cur_opcode.begin_cond.bit_width);
+                                R_DISCARD(dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(src_address, std::addressof(src_value), cur_opcode.begin_cond.bit_width));
                                 break;
                         }
                         /* Check against condition. */
@@ -933,7 +933,7 @@ namespace ams::dmnt::cheat::impl {
                             case 2:
                             case 4:
                             case 8:
-                                dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(src_address, std::addressof(m_registers[cur_opcode.ldr_memory.reg_index]), cur_opcode.ldr_memory.bit_width);
+                                R_DISCARD(dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(src_address, std::addressof(m_registers[cur_opcode.ldr_memory.reg_index]), cur_opcode.ldr_memory.bit_width));
                                 break;
                         }
                     }
@@ -952,7 +952,7 @@ namespace ams::dmnt::cheat::impl {
                             case 2:
                             case 4:
                             case 8:
-                                dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.str_static.bit_width);
+                                R_DISCARD(dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.str_static.bit_width));
                                 break;
                         }
                         /* Increment register if relevant. */
@@ -1143,7 +1143,7 @@ namespace ams::dmnt::cheat::impl {
                             case 2:
                             case 4:
                             case 8:
-                                dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.str_register.bit_width);
+                                R_DISCARD(dmnt::cheat::impl::WriteCheatProcessMemoryUnsafe(dst_address, std::addressof(dst_value), cur_opcode.str_register.bit_width));
                                 break;
                         }
 
@@ -1214,7 +1214,7 @@ namespace ams::dmnt::cheat::impl {
                                 case 2:
                                 case 4:
                                 case 8:
-                                    dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(cond_address, std::addressof(cond_value), cur_opcode.begin_reg_cond.bit_width);
+                                    R_DISCARD(dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(cond_address, std::addressof(cond_value), cur_opcode.begin_reg_cond.bit_width));
                                     break;
                             }
                         }
@@ -1309,10 +1309,10 @@ namespace ams::dmnt::cheat::impl {
                     }
                     break;
                 case CheatVmOpcodeType_PauseProcess:
-                    dmnt::cheat::impl::PauseCheatProcessUnsafe();
+                    R_DISCARD(dmnt::cheat::impl::PauseCheatProcessUnsafe());
                     break;
                 case CheatVmOpcodeType_ResumeProcess:
-                    dmnt::cheat::impl::ResumeCheatProcessUnsafe();
+                    R_DISCARD(dmnt::cheat::impl::ResumeCheatProcessUnsafe());
                     break;
                 case CheatVmOpcodeType_DebugLog:
                     {
@@ -1356,7 +1356,7 @@ namespace ams::dmnt::cheat::impl {
                                 case 2:
                                 case 4:
                                 case 8:
-                                    dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(val_address, std::addressof(log_value), cur_opcode.debug_log.bit_width);
+                                    R_DISCARD(dmnt::cheat::impl::ReadCheatProcessMemoryUnsafe(val_address, std::addressof(log_value), cur_opcode.debug_log.bit_width));
                                     break;
                             }
                         }
diff --git a/stratosphere/erpt/source/erpt_main.cpp b/stratosphere/erpt/source/erpt_main.cpp
index 93096dbcb..9e9f289ad 100644
--- a/stratosphere/erpt/source/erpt_main.cpp
+++ b/stratosphere/erpt/source/erpt_main.cpp
@@ -62,9 +62,9 @@ namespace ams {
         {
             u8 disable_report_cleanup = 0;
             if (settings::fwdbg::GetSettingsItemValue(std::addressof(disable_report_cleanup), sizeof(disable_report_cleanup), "erpt", "disable_automatic_report_cleanup") == sizeof(disable_report_cleanup)) {
-                erpt::srv::SetEnabledAutomaticReportCleanup(disable_report_cleanup == 0);
+                R_DISCARD(erpt::srv::SetEnabledAutomaticReportCleanup(disable_report_cleanup == 0));
             } else {
-                erpt::srv::SetEnabledAutomaticReportCleanup(true);
+                R_DISCARD(erpt::srv::SetEnabledAutomaticReportCleanup(true));
             }
         }
 
@@ -72,7 +72,7 @@ namespace ams {
         R_ABORT_UNLESS(erpt::srv::Initialize(erpt::g_memory_heap, erpt::MemoryHeapSize));
 
         /* Atmosphere always wants to redirect new reports to the SD card, to prevent them from being logged. */
-        erpt::srv::SetRedirectNewReportsToSdCard(true);
+        R_DISCARD(erpt::srv::SetRedirectNewReportsToSdCard(true));
 
         /* Configure the serial number, OS version, product model, and region. */
         {
diff --git a/stratosphere/fatal/source/fatal_repair.cpp b/stratosphere/fatal/source/fatal_repair.cpp
index 201ec4ba4..f2054b421 100644
--- a/stratosphere/fatal/source/fatal_repair.cpp
+++ b/stratosphere/fatal/source/fatal_repair.cpp
@@ -105,11 +105,11 @@ namespace ams::fatal::srv {
 
     void CheckRepairStatus() {
         if (IsInRepairWithoutVolHeld()) {
-            ThrowFatalForSelf(ResultInRepairWithoutVolHeld());
+            R_DISCARD(ThrowFatalForSelf(ResultInRepairWithoutVolHeld()));
         }
 
         if (IsInRepairWithoutTimeReviserCartridge()) {
-            ThrowFatalForSelf(ResultInRepairWithoutTimeReviserCartridge());
+            R_DISCARD(ThrowFatalForSelf(ResultInRepairWithoutTimeReviserCartridge()));
         }
     }
 
diff --git a/stratosphere/fatal/source/fatal_task_error_report.cpp b/stratosphere/fatal/source/fatal_task_error_report.cpp
index cac9db288..9e69c79f3 100644
--- a/stratosphere/fatal/source/fatal_task_error_report.cpp
+++ b/stratosphere/fatal/source/fatal_task_error_report.cpp
@@ -24,7 +24,7 @@ namespace ams::fatal::srv {
 
         /* Helpers. */
         void TryEnsureReportDirectories() {
-            fs::EnsureDirectory("sdmc:/atmosphere/fatal_reports/dumps");
+            R_DISCARD(fs::EnsureDirectory("sdmc:/atmosphere/fatal_reports/dumps"));
         }
 
         bool TryGetCurrentTimestamp(u64 *out) {
diff --git a/stratosphere/htc/source/htc_main.cpp b/stratosphere/htc/source/htc_main.cpp
index 5477bc113..5c54d5f3e 100644
--- a/stratosphere/htc/source/htc_main.cpp
+++ b/stratosphere/htc/source/htc_main.cpp
@@ -177,7 +177,7 @@ namespace ams {
 
         /* Create the htc misc ipc thread. */
         os::ThreadType htc_ipc_thread;
-        os::CreateThread(std::addressof(htc_ipc_thread), htc::HtcIpcThreadFunction, nullptr, htc::g_htc_ipc_thread_stack, sizeof(htc::g_htc_ipc_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcIpc));
+        R_DISCARD(os::CreateThread(std::addressof(htc_ipc_thread), htc::HtcIpcThreadFunction, nullptr, htc::g_htc_ipc_thread_stack, sizeof(htc::g_htc_ipc_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcIpc)));
         os::SetThreadNamePointer(std::addressof(htc_ipc_thread), AMS_GET_SYSTEM_THREAD_NAME(htc, HtcIpc));
 
         /* Initialize the htcfs server. */
@@ -186,7 +186,7 @@ namespace ams {
 
         /* Create the htcfs ipc thread. */
         os::ThreadType htcfs_ipc_thread;
-        os::CreateThread(std::addressof(htcfs_ipc_thread), htc::HtcfsIpcThreadFunction, nullptr, htc::g_htcfs_ipc_thread_stack, sizeof(htc::g_htcfs_ipc_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcfsIpc));
+        R_DISCARD(os::CreateThread(std::addressof(htcfs_ipc_thread), htc::HtcfsIpcThreadFunction, nullptr, htc::g_htcfs_ipc_thread_stack, sizeof(htc::g_htcfs_ipc_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcfsIpc)));
         os::SetThreadNamePointer(std::addressof(htcfs_ipc_thread), AMS_GET_SYSTEM_THREAD_NAME(htc, HtcfsIpc));
 
         /* Initialize the htcs server. */
@@ -196,7 +196,7 @@ namespace ams {
         /* Create the htcs ipc threads. */
         os::ThreadType htcs_ipc_threads[htc::NumHtcsIpcThreads];
         for (size_t i = 0; i < htc::NumHtcsIpcThreads; ++i) {
-            os::CreateThread(std::addressof(htcs_ipc_threads[i]), htc::HtcsIpcThreadFunction, nullptr, htc::g_htcs_ipc_thread_stack[i], sizeof(htc::g_htcs_ipc_thread_stack[i]), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcsIpc));
+            R_DISCARD(os::CreateThread(std::addressof(htcs_ipc_threads[i]), htc::HtcsIpcThreadFunction, nullptr, htc::g_htcs_ipc_thread_stack[i], sizeof(htc::g_htcs_ipc_thread_stack[i]), AMS_GET_SYSTEM_THREAD_PRIORITY(htc, HtcsIpc)));
             os::SetThreadNamePointer(std::addressof(htcs_ipc_threads[i]), AMS_GET_SYSTEM_THREAD_NAME(htc, HtcsIpc));
         }
 
diff --git a/stratosphere/loader/source/ldr_argument_store.hpp b/stratosphere/loader/source/ldr_argument_store.hpp
index cc7bee4b8..6a417971c 100644
--- a/stratosphere/loader/source/ldr_argument_store.hpp
+++ b/stratosphere/loader/source/ldr_argument_store.hpp
@@ -33,7 +33,7 @@ namespace ams::ldr {
             Entry m_argument_map[ArgumentMapCount];
         public:
             constexpr ArgumentStore() : m_argument_map{} {
-                this->Flush();
+                R_DISCARD(this->Flush());
             }
         public:
             const Entry *Get(ncm::ProgramId program_id);
diff --git a/stratosphere/loader/source/ldr_process_creation.cpp b/stratosphere/loader/source/ldr_process_creation.cpp
index 9b8386081..8ba4fac2a 100644
--- a/stratosphere/loader/source/ldr_process_creation.cpp
+++ b/stratosphere/loader/source/ldr_process_creation.cpp
@@ -812,7 +812,7 @@ namespace ams::ldr {
             /* Set the output handle, and ensure that if we fail after this point we clean it up. */
             out->process_handle = process_handle;
             out->code_address   = param.code_address;
-            ON_RESULT_FAILURE { svc::CloseHandle(process_handle); };
+            ON_RESULT_FAILURE { R_DISCARD(svc::CloseHandle(process_handle)); };
 
             /* Load all auto load modules. */
             R_RETURN(LoadAutoLoadModules(out, ctx, argument));
@@ -882,7 +882,7 @@ namespace ams::ldr {
         /* If we're overriding for HBL, perform HTML document redirection. */
         if (override_status.IsHbl()) {
             /* Don't validate result, failure is okay. */
-            RedirectHtmlDocumentPathForHbl(loc);
+            R_DISCARD(RedirectHtmlDocumentPathForHbl(loc));
         }
 
         /* Clear the external code for the program. */
diff --git a/stratosphere/pm/source/impl/pm_process_info.cpp b/stratosphere/pm/source/impl/pm_process_info.cpp
index d472803dc..1c51e3f10 100644
--- a/stratosphere/pm/source/impl/pm_process_info.cpp
+++ b/stratosphere/pm/source/impl/pm_process_info.cpp
@@ -89,8 +89,8 @@ namespace ams::pm::impl {
         if (m_handle != os::InvalidNativeHandle) {
             /* Unregister the process. */
             fsprUnregisterProgram(m_process_id.value);
-            sm::manager::UnregisterProcess(m_process_id);
-            ldr::pm::UnpinProgram(m_pin_id);
+            R_DISCARD(sm::manager::UnregisterProcess(m_process_id));
+            R_DISCARD(ldr::pm::UnpinProgram(m_pin_id));
 
             /* Close the process's handle. */
             os::CloseNativeHandle(m_handle);
diff --git a/stratosphere/pm/source/impl/pm_process_manager.cpp b/stratosphere/pm/source/impl/pm_process_manager.cpp
index 95922c979..5bd14732c 100644
--- a/stratosphere/pm/source/impl/pm_process_manager.cpp
+++ b/stratosphere/pm/source/impl/pm_process_manager.cpp
@@ -142,7 +142,7 @@ namespace ams::pm::impl {
                 R_TRY(ldr::pm::AtmospherePinProgram(std::addressof(pin_id), fixed_location, override_status));
 
                 /* If we fail after now, unpin. */
-                ON_RESULT_FAILURE { ldr::pm::UnpinProgram(pin_id); };
+                ON_RESULT_FAILURE { R_DISCARD(ldr::pm::UnpinProgram(pin_id)); };
 
                 /* Ensure we can talk to mitm services. */
                 {
@@ -486,7 +486,7 @@ namespace ams::pm::impl {
                 /* NOTE: Nintendo does not check the result of this. */
                 if (spl::IsDisabledProgramVerification()) {
                     if (hos::GetVersion() >= hos::Version_10_0_0) {
-                        ldr::pm::SetEnabledProgramVerification(false);
+                        R_DISCARD(ldr::pm::SetEnabledProgramVerification(false));
                     } else {
                         fsprSetEnabledProgramVerification(false);
                     }
diff --git a/stratosphere/pm/source/impl/pm_process_tracker.cpp b/stratosphere/pm/source/impl/pm_process_tracker.cpp
index 5d1c3b418..8f436f00f 100644
--- a/stratosphere/pm/source/impl/pm_process_tracker.cpp
+++ b/stratosphere/pm/source/impl/pm_process_tracker.cpp
@@ -94,7 +94,7 @@ namespace ams::pm::impl {
         auto list = GetProcessList();
 
         /* Reset the process's signal. */
-        svc::ResetSignal(process_info->GetHandle());
+        R_DISCARD(svc::ResetSignal(process_info->GetHandle()));
 
         /* Update the process's state. */
         const svc::ProcessState old_state = process_info->GetState();
diff --git a/stratosphere/pm/source/pm_main.cpp b/stratosphere/pm/source/pm_main.cpp
index 5bef871c7..a4925ef67 100644
--- a/stratosphere/pm/source/pm_main.cpp
+++ b/stratosphere/pm/source/pm_main.cpp
@@ -54,8 +54,8 @@ namespace ams {
             void RegisterPrivilegedProcess(os::ProcessId process_id, ncm::ProgramId program_id) {
                 fsprUnregisterProgram(process_id.value);
                 fsprRegisterProgram(process_id.value, process_id.value, NcmStorageId_BuiltInSystem, PrivilegedFileAccessHeader, sizeof(PrivilegedFileAccessHeader), PrivilegedFileAccessControl, sizeof(PrivilegedFileAccessControl), 0);
-                sm::manager::UnregisterProcess(process_id);
-                sm::manager::RegisterProcess(process_id, program_id, cfg::OverrideStatus{}, PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl), PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl));
+                R_DISCARD(sm::manager::UnregisterProcess(process_id));
+                R_DISCARD(sm::manager::RegisterProcess(process_id, program_id, cfg::OverrideStatus{}, PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl), PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl)));
             }
 
             void RegisterPrivilegedProcesses() {
diff --git a/stratosphere/ro/source/impl/ro_service_impl.cpp b/stratosphere/ro/source/impl/ro_service_impl.cpp
index 6beff3c8f..a10c81b93 100644
--- a/stratosphere/ro/source/impl/ro_service_impl.cpp
+++ b/stratosphere/ro/source/impl/ro_service_impl.cpp
@@ -116,7 +116,7 @@ namespace ams::ro::impl {
                     if (m_process_handle != os::InvalidNativeHandle) {
                         for (size_t i = 0; i < MaxNrrInfos; i++) {
                             if (m_nrr_in_use[i]) {
-                                UnmapNrr(m_process_handle, m_nrr_infos[i].mapped_header, m_nrr_infos[i].nrr_heap_address, m_nrr_infos[i].nrr_heap_size, m_nrr_infos[i].mapped_code_address);
+                                R_DISCARD(UnmapNrr(m_process_handle, m_nrr_infos[i].mapped_header, m_nrr_infos[i].nrr_heap_address, m_nrr_infos[i].nrr_heap_size, m_nrr_infos[i].mapped_code_address));
                             }
                         }
                         os::CloseNativeHandle(m_process_handle);
@@ -659,7 +659,7 @@ namespace ams::ro::impl {
         
         /* Map the NRO. */
         R_TRY(MapNro(std::addressof(nro_info->base_address), context->GetProcessHandle(), nro_address, nro_size, bss_address, bss_size));
-        ON_RESULT_FAILURE { UnmapNro(context->GetProcessHandle(), nro_info->base_address, nro_address, nro_size, bss_address, bss_size); };
+        ON_RESULT_FAILURE { R_DISCARD(UnmapNro(context->GetProcessHandle(), nro_info->base_address, nro_address, nro_size, bss_address, bss_size)); };
 
         /* Parse the NRO. */
         u64 rx_size = 0, ro_size = 0, rw_size = 0;
diff --git a/stratosphere/spl/source/spl_main.cpp b/stratosphere/spl/source/spl_main.cpp
index a6e1134a1..b9d2491d5 100644
--- a/stratosphere/spl/source/spl_main.cpp
+++ b/stratosphere/spl/source/spl_main.cpp
@@ -147,7 +147,7 @@ namespace ams {
                     R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Ssl,    SslServiceName,    SslMaxSessions));
                     R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Es,     EsServiceName,     EsMaxSessions));
                     if (fw_ver >= hos::Version_5_0_0) {
-                        g_server_manager.RegisterServer(PortIndex_Manu, ManuServiceName, ManuMaxSessions);
+                        R_DISCARD(g_server_manager.RegisterServer(PortIndex_Manu, ManuServiceName, ManuMaxSessions));
                     }
                 }
 
diff --git a/stratosphere/spl/source/spl_secure_monitor_manager.cpp b/stratosphere/spl/source/spl_secure_monitor_manager.cpp
index c31bae8bf..39ed37b3e 100644
--- a/stratosphere/spl/source/spl_secure_monitor_manager.cpp
+++ b/stratosphere/spl/source/spl_secure_monitor_manager.cpp
@@ -164,7 +164,7 @@ namespace ams::spl {
         for (auto i = 0; i < impl::AesKeySlotCount; ++i) {
             if (m_aes_keyslot_owners[i] == owner) {
                 m_aes_keyslot_owners[i] = nullptr;
-                impl::DeallocateAesKeySlot(impl::AesKeySlotMin + i);
+                R_DISCARD(impl::DeallocateAesKeySlot(impl::AesKeySlotMin + i));
             }
         }
     }
diff --git a/troposphere/haze/include/haze/console_main_loop.hpp b/troposphere/haze/include/haze/console_main_loop.hpp
index 184c36fc6..ce54bad69 100644
--- a/troposphere/haze/include/haze/console_main_loop.hpp
+++ b/troposphere/haze/include/haze/console_main_loop.hpp
@@ -214,8 +214,8 @@ namespace haze {
                         event_reactor.SetResult(ResultSuccess());
 
                         /* Configure the PTP responder and console main loop. */
-                        ptp_responder.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap));
-                        console_main_loop.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap));
+                        R_DISCARD(ptp_responder.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap)));
+                        R_DISCARD(console_main_loop.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap)));
 
                         /* Ensure we maintain a clean state on exit. */
                         ON_SCOPE_EXIT {