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- Fix memory leak

svn path=/trunk/; revision=47713
This commit is contained in:
Johannes Anderwald 2010-06-09 14:16:05 +00:00
parent 85b59ff6ce
commit db5472b519
1 changed files with 6 additions and 2 deletions
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8
reactos/drivers/ksfilter/ks/topology.c
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@ -205,24 +205,27 @@ KsTopologyPropertyHandler(
{ {
Irp->IoStatus.Information = 0; Irp->IoStatus.Information = 0;
Status = STATUS_INSUFFICIENT_RESOURCES; Status = STATUS_INSUFFICIENT_RESOURCES;
RtlFreeUnicodeString(&GuidString);
break; break;
} }
RtlAppendUnicodeStringToString(&KeyName, &LocalMachine); RtlAppendUnicodeStringToString(&KeyName, &LocalMachine);
RtlAppendUnicodeStringToString(&KeyName, &GuidString); RtlAppendUnicodeStringToString(&KeyName, &GuidString);
RtlFreeUnicodeString(&GuidString);
InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE, NULL, NULL); InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwOpenKey(&hKey, GENERIC_READ, &ObjectAttributes); Status = ZwOpenKey(&hKey, GENERIC_READ, &ObjectAttributes);
ExFreePool(KeyName.Buffer);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
DPRINT1("ZwOpenKey() failed with status 0x%08lx\n", Status); DPRINT1("ZwOpenKey() failed with status 0x%08lx\n", Status);
ExFreePool(KeyName.Buffer);
Irp->IoStatus.Information = 0; Irp->IoStatus.Information = 0;
break; break;
} }
ExFreePool(KeyName.Buffer);
Status = ZwQueryValueKey(hKey, &Name, KeyValuePartialInformation, NULL, 0, &Size); Status = ZwQueryValueKey(hKey, &Name, KeyValuePartialInformation, NULL, 0, &Size);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL) if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
{ {
@ -231,6 +234,7 @@ KsTopologyPropertyHandler(
break; break;
} }
ASSERT(Size);
KeyInfo = (PKEY_VALUE_PARTIAL_INFORMATION) ExAllocatePool(NonPagedPool, Size); KeyInfo = (PKEY_VALUE_PARTIAL_INFORMATION) ExAllocatePool(NonPagedPool, Size);
if (!KeyInfo) if (!KeyInfo)
{ {