From: Paul Durrant <paul.durrant@citrix.com>
Date: Wed, 18 Sep 2019 16:19:19 +0000 (+0100)
Subject: Prevent IsZeroMemory() ASSERTions when XENDISK shuts down
X-Git-Tag: 9.0.0-rc1~13
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=970d75be60bfa8c329ec2b898945a46a30b74d5e;p=pvdrivers%2Fwin%2Fxenvbd.git

Prevent IsZeroMemory() ASSERTions when XENDISK shuts down

Pdo->PhysSectorSize needs to be zeroed out.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
---

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);