[win-pv-devel] [PATCH xenvbd] Prevent IsZeroMemory() ASSERTions when XENDISK shuts down

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

Pdo->PhysSectorSize needs to be zeroed out.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 src/xendisk/pdo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/xendisk/pdo.c b/src/xendisk/pdo.c
index 62e15b2..d996643 100644
--- a/src/xendisk/pdo.c
+++ b/src/xendisk/pdo.c
@@ -1024,6 +1024,7 @@ __PdoStopDevice(
 
     IoReleaseRemoveLock(&Pdo->Dx->RemoveLock, Irp);
 
+    Pdo->PhysSectorSize = 0;
     Pdo->SectorSize = 0;
 
     return STATUS_SUCCESS;
@@ -1276,6 +1277,7 @@ done:
     status = PdoForwardIrpSynchronously(Pdo, Irp);
     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
+    Pdo->PhysSectorSize = 0;
     Pdo->SectorSize = 0;
 
     FdoAcquireMutex(Fdo);
-- 
2.5.3


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