diff options
Diffstat (limited to 'net/can/j1939/main.c')
-rw-r--r-- | net/can/j1939/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/can/j1939/main.c b/net/can/j1939/main.c index 8452b0fbb78c..144c86b0e3ff 100644 --- a/net/can/j1939/main.c +++ b/net/can/j1939/main.c @@ -42,6 +42,10 @@ static void j1939_can_recv(struct sk_buff *iskb, void *data) struct j1939_sk_buff_cb *skcb, *iskcb; struct can_frame *cf; + /* make sure we only get Classical CAN frames */ + if (!can_is_can_skb(iskb)) + return; + /* create a copy of the skb * j1939 only delivers the real data bytes, * the header goes into sockaddr. |