[Precise][SRU][PATCH 1/1] [SCSI] qla2xxx: Properly set the tagging for commands.

[Joseph Salisbury]

From: Saurav Kashyap <saurav.kashyap at qlogic.com>

BugLink: http://bugs.launchpad.net/bugs/1189928

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 at jackhill.us>
Signed-off-by: Saurav Kashyap <saurav.kashyap at qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali at qlogic.com>
Cc: <stable at vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley at Parallels.com>
(cherry picked from commit c3ccb1d7cf4c4549151876dd37c0944a682fd9e1)

Signed-off-by: Joseph Salisbury <joseph.salisbury at canonical.com>
---
 drivers/scsi/qla2xxx/qla_iocb.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index a4b267e..9fbe260 100644
--- 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. */
@@ -1244,11 +1246,11 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
 		    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 */
@@ -1454,7 +1456,12 @@ 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. */
-- 
1.7.9.5