Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-04 17:17:10 +00:00
Code Issues Projects Releases Packages Wiki Activity

[NTOS:CC] Raise status, when CcMapData fails (#3348)

Browse source 
Also add a check in fastfat, that asserts, when CcMapData returns FALSE.
This commit is contained in:
Timo Kreuzer 2021-02-09 09:29:48 +01:00 • committed by GitHub
parent 2b93352907
commit ca74467904
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/filesystems/fastfat/fat.c
View file

@ -36,7 +36,7 @@ FAT32GetNextCluster(
PVOID BaseAddress;
ULONG FATOffset;
ULONG ChunkSize;
PVOID Context;
PVOID Context = NULL;
LARGE_INTEGER Offset;
ChunkSize = CACHEPAGESIZE(DeviceExt);
@ -44,7 +44,11 @@ FAT32GetNextCluster(
Offset.QuadPart = ROUND_DOWN(FATOffset, ChunkSize);
_SEH2_TRY
{
CcMapData(DeviceExt->FATFileObject, &Offset, ChunkSize, MAP_WAIT, &Context, &BaseAddress);
if (!CcMapData(DeviceExt->FATFileObject, &Offset, ChunkSize, MAP_WAIT, &Context, &BaseAddress))
{
NT_ASSERT(FALSE);
return STATUS_UNSUCCESSFUL;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{