Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-03 17:25:55 +00:00
Code Issues Projects Releases Packages Wiki Activity

Don't use the OldIrql value from fmutex after releasing it.

Browse source 
svn path=/trunk/; revision=19641
This commit is contained in:
Hartmut Birr 2005-11-26 16:35:23 +00:00
parent 6a8246e478
commit 405f0b60f1
2 changed files with 7 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
reactos/hal/halx86/generic/fmutex.c
View file

@ -56,8 +56,11 @@ VOID
FASTCALL
ExReleaseFastMutex(PFAST_MUTEX FastMutex)
{
KIRQL OldIrql;
/* Erase the owner */
FastMutex->Owner = (PVOID)1;
OldIrql = FastMutex->OldIrql;
/* Increase the count */
if (InterlockedIncrement(&FastMutex->Count) <= 0)
@ -67,7 +70,7 @@ ExReleaseFastMutex(PFAST_MUTEX FastMutex)
}
/* Lower IRQL back */
KfLowerIrql(FastMutex->OldIrql);
KfLowerIrql(OldIrql);
}
BOOLEAN

4
reactos/ntoskrnl/ex/fmutex.c
View file

@ -106,10 +106,12 @@ VOID
FASTCALL
ExReleaseFastMutex (PFAST_MUTEX FastMutex)
{
KIRQL oldIrql;
ASSERT_IRQL(APC_LEVEL);
/* Erase the owner */
FastMutex->Owner = NULL;
OldIrql = FastMutex->OldIrql;
/* Increase the count */
if (InterlockedIncrement(&FastMutex->Count) <= 0)
@ -119,7 +121,7 @@ ExReleaseFastMutex (PFAST_MUTEX FastMutex)
}
/* Lower IRQL back */
KfLowerIrql(FastMutex->OldIrql);
KfLowerIrql(OldIrql);
}
/*