diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index b91ac5946ad1a4b88123c63dc33106ade6ce5bd3..9d854c5ce0b5065a78a5a684ec3ccac09d66f826 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1916,14 +1916,15 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, } } - if (skb->ip_summed == CHECKSUM_PARTIAL) - status |= TP_STATUS_CSUMNOTREADY; - snaplen = skb->len; res = run_filter(skb, sk, snaplen); if (!res) goto drop_n_restore; + + if (skb->ip_summed == CHECKSUM_PARTIAL) + status |= TP_STATUS_CSUMNOTREADY; + if (snaplen > res) snaplen = res;