nold/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere synced 2024-12-23 04:41:12 +00:00
Code Issues Projects Releases Packages Wiki Activity

kern: fix UpdateLock perms for ipc

Browse source
This commit is contained in:
Michael Scire 2020-07-12 22:22:54 -07:00
parent bc767742f7
commit 095fc6b996
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
libraries/libmesosphere/source/kern_k_page_table_base.cpp
View file

@ -2227,7 +2227,9 @@ namespace ams::kern {
/* If anything was mapped, ipc-lock the pages. */
if (src_map_start < src_map_end) {
src_page_table.memory_block_manager.UpdateLock(std::addressof(allocator), src_map_start, (src_map_end - src_map_start) / PageSize, &KMemoryBlock::LockForIpc, KMemoryPermission_None);
/* Get the source permission. */
const auto src_perm = static_cast<KMemoryPermission>((test_perm == KMemoryPermission_UserReadWrite) ? KMemoryPermission_KernelReadWrite | KMemoryPermission_NotMapped : KMemoryPermission_UserRead);
src_page_table.memory_block_manager.UpdateLock(std::addressof(allocator), src_map_start, (src_map_end - src_map_start) / PageSize, &KMemoryBlock::LockForIpc, src_perm);
}
/* We succeeded, so cancel our cleanup guard. */