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| author | Xiang Chen <chenxiang66@hisilicon.com> | 2019-11-12 17:30:56 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-11-12 22:21:33 -0500 |
| commit | 8c39673d5474b95374df2104dc1f65205c5278b8 (patch) | |
| tree | ac2919ccbcfdffb2df198b8402e80fab4289b368 /drivers/scsi/hisi_sas | |
| parent | 3b294c0fb910dc91250abab574e85c9c1957c795 (diff) | |
| download | linux-8c39673d5474b95374df2104dc1f65205c5278b8.tar.gz linux-8c39673d5474b95374df2104dc1f65205c5278b8.tar.bz2 linux-8c39673d5474b95374df2104dc1f65205c5278b8.zip | |
scsi: hisi_sas: Check sas_port before using it
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>
Diffstat (limited to 'drivers/scsi/hisi_sas')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 18c95b33592b..c72fc59353bd 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -974,12 +974,13 @@ static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy) struct hisi_hba *hisi_hba = sas_ha->lldd_ha; struct hisi_sas_phy *phy = sas_phy->lldd_phy; struct asd_sas_port *sas_port = sas_phy->port; - struct hisi_sas_port *port = to_hisi_sas_port(sas_port); + struct hisi_sas_port *port; unsigned long flags; if (!sas_port) return; + port = to_hisi_sas_port(sas_port); spin_lock_irqsave(&hisi_hba->lock, flags); port->port_attached = 1; port->id = phy->port_id; |