[ 06/39] SCSI: qla2xxx: Properly set the tagging for commands.

From: Greg Kroah-Hartman
Date: Fri Aug 02 2013 - 06:35:53 EST


3.4-stable review patch. If anyone has any objections, please let me know.

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

From: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>

commit c3ccb1d7cf4c4549151876dd37c0944a682fd9e1 upstream.

This fixes a regression where Xyratex controllers and disks were lost by the
driver:

https://bugzilla.kernel.org/show_bug.cgi?id=59601

Reported-by: Jack Hill <jackhill@xxxxxxxxxxx>
Signed-off-by: Saurav Kashyap <saurav.kashyap@xxxxxxxxxx>
Signed-off-by: Giridhar Malavali <giridhar.malavali@xxxxxxxxxx>
Signed-off-by: James Bottomley <JBottomley@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/scsi/qla2xxx/qla_iocb.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -423,6 +423,8 @@ qla2x00_start_scsi(srb_t *sp)
__constant_cpu_to_le16(CF_SIMPLE_TAG);
break;
}
+ } else {
+ cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
}

/* Load SCSI command packet. */
@@ -1331,11 +1333,11 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp
fcp_cmnd->task_attribute = TSK_ORDERED;
break;
default:
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
break;
}
} else {
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
}

cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
@@ -1541,7 +1543,12 @@ qla24xx_start_scsi(srb_t *sp)
case ORDERED_QUEUE_TAG:
cmd_pkt->task = TSK_ORDERED;
break;
+ default:
+ cmd_pkt->task = TSK_SIMPLE;
+ break;
}
+ } else {
+ cmd_pkt->task = TSK_SIMPLE;
}

/* Load SCSI command packet. */


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