| From | Kamal Mostafa <> | Subject | [PATCH 3.19.y-ckt 090/146] storvsc: Set the SRB flags correctly when no data transfer is needed | Date | Wed, 17 Jun 2015 15:23:15 -0700 |
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3.19.8-ckt2 -stable review patch. If anyone has any objections, please let me know.
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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 3483b1d..8d0824d 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1623,8 +1623,7 @@ 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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