diff options
Diffstat (limited to 'net/sched/em_nbyte.c')
| -rw-r--r-- | net/sched/em_nbyte.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c index a83b237cbeb0..c65ffa5fff94 100644 --- a/net/sched/em_nbyte.c +++ b/net/sched/em_nbyte.c @@ -42,6 +42,8 @@ static int em_nbyte_match(struct sk_buff *skb, struct tcf_ematch *em, struct nbyte_data *nbyte = (struct nbyte_data *) em->data; unsigned char *ptr = tcf_get_base_ptr(skb, nbyte->hdr.layer); + if (!ptr) + return 0; ptr += nbyte->hdr.off; if (!tcf_valid_offset(skb, ptr, nbyte->hdr.len)) @@ -68,6 +70,7 @@ static void __exit exit_em_nbyte(void) tcf_em_unregister(&em_nbyte_ops); } +MODULE_DESCRIPTION("ematch classifier for arbitrary skb multi-bytes"); MODULE_LICENSE("GPL"); module_init(init_em_nbyte); |