scsi: qla2xxx: Check valid rport returned by fc_bsg_to_rport()

Klocwork reported warning of rport maybe NULL and will be dereferenced.
rport returned by call to fc_bsg_to_rport() could be NULL and dereferenced.

Check valid rport returned by fc_bsg_to_rport().

Cc: stable@vger.kernel.org
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230607113843.37185-5-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Nilesh Javali 2023-06-07 17:08:39 +05:30 committed by Martin K. Petersen
parent 6b504d0697
commit af73f23a27

View file

@ -283,6 +283,10 @@ qla2x00_process_els(struct bsg_job *bsg_job)
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
rport = fc_bsg_to_rport(bsg_job);
if (!rport) {
rval = -ENOMEM;
goto done;
}
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);