kern: fix debug build for [[nodiscard]] changes

libraries/libmesosphere/source/arch/arm64/kern_k_page_table.cpp

@@ -151,7 +151,7 @@ namespace ams::kern::arch::arm64 {
         R_SUCCEED();
     }
 
-    Result KPageTable::Finalize() {
+    void KPageTable::Finalize() {
         /* Only process tables should be finalized. */
         MESOSPHERE_ASSERT(!this->IsKernel());
 
@@ -269,8 +269,6 @@ namespace ams::kern::arch::arm64 {
             /* Perform inherited finalization. */
             KPageTableBase::Finalize();
         }
-
-        R_SUCCEED();
     }
 
     Result KPageTable::OperateImpl(PageLinkedList *page_list, KProcessAddress virt_addr, size_t num_pages, KPhysicalAddress phys_addr, bool is_pa_valid, const KPageProperties properties, OperationType operation, bool reuse_ll) {

libraries/libmesosphere/source/board/nintendo/nx/kern_k_device_page_table.cpp

@@ -709,7 +709,7 @@ namespace ams::kern::board::nintendo::nx {
         /* Install interrupt handler. */
         #if defined(MESOSPHERE_ENABLE_MEMORY_CONTROLLER_INTERRUPT)
         {
-            Kernel::GetInterruptManager().BindHandler(std::addressof(g_mc_interrupt_task), KInterruptName_MemoryController, GetCurrentCoreId(), KInterruptController::PriorityLevel_High, true, true);
+            MESOSPHERE_R_ABORT_UNLESS(Kernel::GetInterruptManager().BindHandler(std::addressof(g_mc_interrupt_task), KInterruptName_MemoryController, GetCurrentCoreId(), KInterruptController::PriorityLevel_High, true, true));
         }
         #endif
     }

libraries/libmesosphere/source/kern_k_handle_table.cpp

@@ -17,7 +17,7 @@
 
 namespace ams::kern {
 
-    Result KHandleTable::Finalize() {
+    void KHandleTable::Finalize() {
         MESOSPHERE_ASSERT_THIS();
 
         /* Get the table and clear our record of it. */
@@ -35,8 +35,6 @@ namespace ams::kern {
                 obj->Close();
             }
         }
-
-        R_SUCCEED();
     }
 
     bool KHandleTable::Remove(ams::svc::Handle handle) {