kern: fix resource leak bugs

2020-07-23 19:26:46 -07:00
parent 11d5353827
commit 46935fea80
4 changed files with 7 additions and 2 deletions
--- a/libraries/libmesosphere/source/kern_k_device_address_space.cpp
+++ b/libraries/libmesosphere/source/kern_k_device_address_space.cpp
@@ -75,6 +75,9 @@ namespace ams::kern {
        KPageGroup pg(page_table->GetBlockInfoManager());
        R_TRY(page_table->LockForDeviceAddressSpace(std::addressof(pg), process_address, size, ConvertToKMemoryPermission(device_perm), is_aligned));

+        /* Close the pages we opened when we're done with them. */
+        ON_SCOPE_EXIT { pg.Close(); };
+
        /* Ensure that if we fail, we don't keep unmapped pages locked. */
        ON_SCOPE_EXIT {
            if (*out_mapped_size != size) {