Commit c48c8c1e authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Marc Kleine-Budde
Browse files

can: j1939: main: j1939_ndev_to_priv(): avoid crash if can_ml_priv is NULL



This patch avoids a NULL pointer deref crash if ndev->ml_priv is NULL.

Reported-by: default avatar <syzbot+95c8e0d9dffde15b6c5c@syzkaller.appspotmail.com>
Fixes: 9d71dd0c

 ("can: add support of SAE J1939 protocol")
Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
parent 25fe97cb
......@@ -207,6 +207,9 @@ static inline struct j1939_priv *j1939_ndev_to_priv(struct net_device *ndev)
{
struct can_ml_priv *can_ml_priv = ndev->ml_priv;
if (!can_ml_priv)
return NULL;
return can_ml_priv->j1939_priv;
}
......
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