diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4ec4a25..2835535 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -951,14 +951,10 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb) * >0 if skb should be passed on to UDP. * <0 if skb should be resubmitted as proto -N */ - unsigned int len; /* if we're overly short, let UDP handle it */ - len = skb->len - sizeof(struct udphdr); - if (len <= 0) - goto udp; - - if (up->encap_rcv != NULL) { + if (skb->len > sizeof(struct udphdr) && + up->encap_rcv != NULL) { int ret; ret = (*up->encap_rcv)(sk, skb); @@ -971,7 +967,6 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb) /* FALLTHROUGH -- it's a UDP Packet */ } -udp: /* * UDP-Lite specific tests, ignored on UDP sockets */