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sys: Reference the virtual volume device so that it will not go away while the file system device object is alive

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This commit is contained in:
Bill Zissimopoulos
2015-12-04 09:41:48 -08:00
parent b72adb6c97
commit f7d6c26d4b
2 changed files with 14 additions and 0 deletions
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6
src/sys/fsctl.c
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@ -230,6 +230,12 @@ static NTSTATUS FspFsctlMountVolume(
&FsvolDeviceObject);
if (NT_SUCCESS(Result))
{
/*
* Reference the virtual volume device so that it will not go away while the
* file system device object is alive!
*/
ObReferenceObject(FsvrtDeviceObject);
#pragma prefast(suppress:28175, "We are a filesystem: ok to access SectorSize")
FsvolDeviceObject->SectorSize = FsvrtDeviceExtension->VolumeParams.SectorSize;
FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);