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[SCSI] vmw_pvscsi: Fix pvscsi_abort() function.

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This change ensures that pvscsi_abort() function returns SUCCESS
only when the command in question was actually completed, otherwise
returns FAILURE. The code before change, was causing a bug where
driver tries to complete a command to the mid-layer while the mid-layer
has already requested the driver to abort that command, in response
to which the driver has responded with SUCCESS causing mid-layer
to free the command struct.

Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Tested-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Arvind Kumar
2014-03-08 12:51:12 -08:00
committed by James Bottomley
parent 4909cc2b89
commit a2713cceb3
2 changed files with 50 additions and 7 deletions
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4
drivers/scsi/vmw_pvscsi.h
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@@ -1,7 +1,7 @@
/*
* VMware PVSCSI header file
*
* Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
* Copyright (C) 2008-2014, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -26,7 +26,7 @@
#include <linux/types.h>
#define PVSCSI_DRIVER_VERSION_STRING "1.0.2.0-k"
#define PVSCSI_DRIVER_VERSION_STRING "1.0.3.0-k"
#define PVSCSI_MAX_NUM_SG_ENTRIES_PER_SEGMENT 128