tree 60b8ba78c79a19114112dec36851779c428bac34
parent f13a44533df598d5dc8fdb432e81d3e24611b262
author Xiang Chen <chenxiang66@hisilicon.com> 1573551056 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1591528675 +0200

scsi: hisi_sas: Check sas_port before using it

[ Upstream commit 8c39673d5474b95374df2104dc1f65205c5278b8 ]

Need to check the structure sas_port before using it.

Link: https://lore.kernel.org/r/1573551059-107873-2-git-send-email-john.garry@huawei.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>