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[NTFS]

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Don't leak memory in case of failures in NtfsReadDisk().

Based on a patch by Trevor Thompson.

CORE-10998

svn path=/trunk/; revision=71155
This commit is contained in:
Pierre Schweitzer
2016-04-13 19:52:42 +00:00
parent 278ccfd7c8
commit 97d46bb600
1 changed files with 12 additions and 2 deletions
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reactos/drivers/filesystems/ntfs/blockdev.c
+12 -2
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@@ -87,6 +87,12 @@ NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
if (Irp == NULL)
{
DPRINT("IoBuildSynchronousFsdRequest failed\n");
if (AllocatedBuffer)
{
ExFreePoolWithTag(ReadBuffer, TAG_NTFS);
}
return STATUS_INSUFFICIENT_RESOURCES;
}
@@ -108,9 +114,13 @@ NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
Status = IoStatus.Status;
}
if (NT_SUCCESS(Status) && AllocatedBuffer)
if (AllocatedBuffer)
{
RtlCopyMemory(Buffer, ReadBuffer + (StartingOffset - RealReadOffset), Length);
if (NT_SUCCESS(Status))
{
RtlCopyMemory(Buffer, ReadBuffer + (StartingOffset - RealReadOffset), Length);
}
ExFreePoolWithTag(ReadBuffer, TAG_NTFS);
}