From: John Garry <john.garry@huawei.com>
Date: Wed, 24 Aug 2016 11:05:52 +0000 (+0800)
Subject: scsi: hisi_sas: fail tmf task prep when port detached
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9859f24e9a25fc774c4d960568f12bdd634e00ca;p=linux-beck.git

scsi: hisi_sas: fail tmf task prep when port detached

When the port is detached we cannot execute a TMF, as there can be no
device attached to the port.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 280a19dae8eb..73f581f7dc36 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -204,7 +204,7 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
 		return rc;
 	}
 	port = device->port->lldd_port;
-	if (port && !port->port_attached && !tmf) {
+	if (port && !port->port_attached) {
 		if (sas_protocol_ata(task->task_proto)) {
 			struct task_status_struct *ts = &task->task_status;