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Subject[PATCH 3.13.y-ckt 099/122] storvsc: Set the SRB flags correctly when no data transfer is needed
Date
3.13.11-ckt22 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "K. Y. Srinivasan" <kys@microsoft.com>

commit dc45708ca9988656d706940df5fd102672c5de92 upstream.

Set the SRB flags correctly when there is no data transfer. Without this
change some IHV drivers will fail valid commands such as TEST_UNIT_READY.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/scsi/storvsc_drv.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 97892f2..3bb6646 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1625,8 +1625,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
break;
default:
vm_srb->data_in = UNKNOWN_TYPE;
- vm_srb->win8_extension.srb_flags |= (SRB_FLAGS_DATA_IN |
- SRB_FLAGS_DATA_OUT);
+ vm_srb->win8_extension.srb_flags |= SRB_FLAGS_NO_DATA_TRANSFER;
break;
}

--
1.9.1


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