diff mbox series

[6/8] qla2xxx: klocwork - pointer may be dereferenced

Message ID 20230518075841.40363-7-njavali@marvell.com (mailing list archive)
State Superseded
Headers show
Series qla2xxx klocwork fixes | expand

Commit Message

Nilesh Javali May 18, 2023, 7:58 a.m. UTC 
From: Shreyas Deodhar <sdeodhar@marvell.com>

Klocwork tool reported pointer 'rport' returned
from call to function 'fc_bsg_to_rport' may be
NULL and will be dereferenced.

Add a fix to validate rport before dereferencing.

Cc: stable@vger.kernel.org
Signed-off-by: Shreyas Deodhar <sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_bsg.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index c928b27061a9..19bb64bdd88b 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -2996,6 +2996,8 @@  qla24xx_bsg_request(struct bsg_job *bsg_job)
 
 	if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 		rport = fc_bsg_to_rport(bsg_job);
+		if (!rport)
+			return ret;
 		host = rport_to_shost(rport);
 		vha = shost_priv(host);
 	} else {