j1939_session_skb_find() may return NULL.
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
net/can/j1939/transport.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 9872082254c4..cda1db7a46a1 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1703,6 +1703,12 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
goto out_session_unlock;
}
se_skb = j1939_session_skb_find(session);
+ if (!se_skb) {
+ netdev_warn(priv->ndev, "%s: 0x%p: no skb found\n", __func__,
+ session);
+ goto out_session_unlock;
+ }
+
skcb = j1939_skb_to_cb(se_skb);
offset = packet * 7 - skcb->offset;
nbytes = se_skb->len - offset;
--
2.20.1
