[PATCH 4.9 02/17] scsi: qla2xxx: Return error when TMF returns

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

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

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

From: Anil Gurumurthy <anil.gurumurthy@cavium.com>

commit b4146c4929ef61d5afca011474d59d0918a0cd82 upstream.

Propagate the task management completion status properly to avoid
unnecessary waits for commands to complete.

Fixes: faef62d13463 ("[SCSI] qla2xxx: Fix Task Management command asynchronous handling")
Cc: <stable@vger.kernel.org>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/qla2xxx/qla_init.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -329,11 +329,10 @@ qla2x00_async_tm_cmd(fc_port_t *fcport,
 
 	wait_for_completion(&tm_iocb->u.tmf.comp);
 
-	rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
-	    QLA_SUCCESS : QLA_FUNCTION_FAILED;
+	rval = tm_iocb->u.tmf.data;
 
-	if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
-		ql_dbg(ql_dbg_taskm, vha, 0x8030,
+	if (rval != QLA_SUCCESS) {
+		ql_log(ql_log_warn, vha, 0x8030,
 		    "TM IOCB failed (%x).\n", rval);
 	}