diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/tcp_output.c | 12 | ||||
-rw-r--r-- | net/ipv4/udp.c | 7 |
2 files changed, 9 insertions, 10 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 557fe16cbfb..dda42f0bd7a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -663,14 +663,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, th->urg_ptr = 0; /* The urg_mode check is necessary during a below snd_una win probe */ - if (unlikely(tcp_urg_mode(tp))) { - if (between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF)) { - th->urg_ptr = htons(tp->snd_up - tcb->seq); - th->urg = 1; - } else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) { - th->urg_ptr = 0xFFFF; - th->urg = 1; - } + if (unlikely(tcp_urg_mode(tp) && + between(tp->snd_up, tcb->seq + 1, tcb->seq + 0xFFFF))) { + th->urg_ptr = htons(tp->snd_up - tcb->seq); + th->urg = 1; } tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index b7faffe5c02..cc3a0a06c00 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1015,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) { /* Note that an ENOMEM error is charged twice */ - if (rc == -ENOMEM) + if (rc == -ENOMEM) { UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, is_udplite); + atomic_inc(&sk->sk_drops); + } goto drop; } @@ -1229,7 +1231,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, int proto) { struct sock *sk; - struct udphdr *uh = udp_hdr(skb); + struct udphdr *uh; unsigned short ulen; struct rtable *rt = (struct rtable*)skb->dst; __be32 saddr = ip_hdr(skb)->saddr; @@ -1242,6 +1244,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, if (!pskb_may_pull(skb, sizeof(struct udphdr))) goto drop; /* No space for header. */ + uh = udp_hdr(skb); ulen = ntohs(uh->len); if (ulen > skb->len) goto short_packet; |