diff options
Diffstat (limited to 'net/sched/em_canid.c')
| -rw-r--r-- | net/sched/em_canid.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sched/em_canid.c b/net/sched/em_canid.c index 5ea84decec19..2d27f91d8441 100644 --- a/net/sched/em_canid.c +++ b/net/sched/em_canid.c @@ -99,6 +99,9 @@ static int em_canid_match(struct sk_buff *skb, struct tcf_ematch *m, int i; const struct can_filter *lp; + if (!pskb_may_pull(skb, CAN_MTU)) + return 0; + can_id = em_canid_get_id(skb); if (can_id & CAN_EFF_FLAG) { @@ -222,6 +225,7 @@ static void __exit exit_em_canid(void) tcf_em_unregister(&em_canid_ops); } +MODULE_DESCRIPTION("ematch classifier to match CAN IDs embedded in skb CAN frames"); MODULE_LICENSE("GPL"); module_init(init_em_canid); |