4.14-stable review patch. If anyone has any objections, please let me know.
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From: "himanshu.madhani@xxxxxxxxxx" <himanshu.madhani@xxxxxxxxxx>
[ Upstream commit 7ac0c332f96bb9688560726f5e80c097ed8de59a ]
This patch fixes following Smatch warning:
drivers/scsi/qla2xxx/qla_init.c:130 qla2x00_async_iocb_timeout() error: we previously assumed 'fcport' could be null (see line 107)
Fixes: 5c25d451163c ("scsi: qla2xxx: Fix NULL pointer access for fcport structure")
Reported by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_init.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -115,6 +115,8 @@ qla2x00_async_iocb_timeout(void *data)
switch (sp->type) {
case SRB_LOGIN_CMD:
+ if (!fcport)
+ break;
/* Retry as needed. */
lio->u.logio.data[0] = MBS_COMMAND_ERROR;
lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
@@ -128,6 +130,8 @@ qla2x00_async_iocb_timeout(void *data)
qla24xx_handle_plogi_done_event(fcport->vha, &ea);
break;
case SRB_LOGOUT_CMD:
+ if (!fcport)
+ break;
qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
break;
case SRB_CT_PTHRU_CMD: