scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout()

[ 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@oracle.com>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
himanshu.madhani@cavium.com 2018-01-15 20:46:48 -08:00 committed by Greg Kroah-Hartman
parent f3ce194cae
commit f3a7d11834

View File

@ -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: