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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_output.c12
-rw-r--r--net/ipv4/udp.c7
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;