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Patch to fix NtCreateSempahore, in the case where the initial lookup

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succeeds.  We previously left the function without initializing 
hSemaphore.  Patch suggested by me and executed by hpoussin.

svn path=/trunk/; revision=13483
This commit is contained in:
Art Yerkes 2005-02-10 03:58:03 +00:00
parent 231989d7ac
commit 73f1d215e0
1 changed files with 22 additions and 13 deletions
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13
reactos/ntoskrnl/ex/sem.c
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@ -128,6 +128,7 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
KeInitializeSemaphore(Semaphore, KeInitializeSemaphore(Semaphore,
InitialCount, InitialCount,
MaximumCount); MaximumCount);
}
Status = ObInsertObject ((PVOID)Semaphore, Status = ObInsertObject ((PVOID)Semaphore,
NULL, NULL,
@ -136,12 +137,11 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
NULL, NULL,
&hSemaphore); &hSemaphore);
ObDereferenceObject(Semaphore);
if(NT_SUCCESS(Status)) if(NT_SUCCESS(Status))
{ {
_SEH_TRY _SEH_TRY
{ {
ObDereferenceObject(Semaphore);
*SemaphoreHandle = hSemaphore; *SemaphoreHandle = hSemaphore;
} }
_SEH_HANDLE _SEH_HANDLE
@ -149,7 +149,16 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
Status = _SEH_GetExceptionCode(); Status = _SEH_GetExceptionCode();
} }
_SEH_END; _SEH_END;
} else {
_SEH_TRY
{
*SemaphoreHandle = INVALID_HANDLE_VALUE;
} }
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
} }
return Status; return Status;