diff options
Diffstat (limited to 'include/net/pkt_cls.h')
| -rw-r--r-- | include/net/pkt_cls.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index dd3031aed9d5..9fcc680ab6b9 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -323,7 +323,9 @@ static inline unsigned char * tcf_get_base_ptr(struct sk_buff *skb, int layer) static inline int tcf_valid_offset(const struct sk_buff *skb, const unsigned char *ptr, const int len) { - return unlikely((ptr + len) < skb_tail_pointer(skb) && ptr > skb->head); + return likely((ptr + len) <= skb_tail_pointer(skb) && + ptr >= skb->head && + (ptr <= (ptr + len))); } #ifdef CONFIG_NET_CLS_IND |