tree 8a15d35f0dece743dadeac3e7de7f2e7afb3c2d2
parent df032d0e4dbe2597dfa3f60c06b1c260e3870a3d
author John Garry <john.garry@huawei.com> 1472036752 +0800
committer Martin K. Petersen <martin.petersen@oracle.com> 1472179134 -0400

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>