| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 57/64] storvsc: Set the SRB flags correctly when no data transfer is needed | Date | Wed, 3 Jun 2015 20:43:25 +0900 |
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3.14-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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/scsi/storvsc_drv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1625,8 +1625,7 @@ static int storvsc_queuecommand(struct S 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; }
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