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- Avoid leaking AllocatorFraming in KsCreateDefaultAllocatorEx. Patch by Sebastian Gasiorek
CORE-12797 #resolve

svn path=/trunk/; revision=73856
This commit is contained in:
Thomas Faber 2017-02-20 11:35:24 +00:00
parent ca4c2640e7
commit d920d6c30a
1 changed files with 10 additions and 2 deletions
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12
reactos/drivers/ksfilter/ks/allocators.c
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@ -593,20 +593,27 @@ KsCreateDefaultAllocatorEx(
/* check the valid file alignment */
if (AllocatorFraming->FileAlignment > (PAGE_SIZE-1))
{
FreeItem(AllocatorFraming);
return STATUS_INVALID_PARAMETER;
}
/* allocate allocator struct */
Allocator = AllocateItem(NonPagedPool, sizeof(ALLOCATOR));
if (!Allocator)
{
FreeItem(AllocatorFraming);
return STATUS_INSUFFICIENT_RESOURCES;
}
/* allocate object header */
Status = KsAllocateObjectHeader((KSOBJECT_HEADER*)&Allocator->Header, 0, NULL, Irp, &DispatchTable);
if (!NT_SUCCESS(Status))
{
FreeItem(Allocator);
return Status;
FreeItem(AllocatorFraming);
FreeItem(Allocator);
return Status;
}
/* set allocator type in object header */
@ -652,6 +659,7 @@ KsCreateDefaultAllocatorEx(
/* backup allocator framing */
RtlMoveMemory(&Allocator->Status.Framing, AllocatorFraming, sizeof(KSALLOCATOR_FRAMING));
FreeItem(AllocatorFraming);
return Status;
}