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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>
This commit is contained in:
John Garry 2016-08-24 19:05:52 +08:00 committed by Martin K. Petersen
parent df032d0e4d
commit 9859f24e9a
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/hisi_sas/hisi_sas_main.c
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@ -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;