Merge branches 'acpi-scan', 'acpi-pnp' and 'acpi-sleep'

[linux-2.6-microblaze.git] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9eeebd4..dece195 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -541,7 +541,7 @@ static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb,
                                 inet_sdif(skb), udptable, skb);
 }
 
-struct sock *udp4_lib_lookup_skb(struct sk_buff *skb,
+struct sock *udp4_lib_lookup_skb(const struct sk_buff *skb,
                                 __be16 sport, __be16 dport)
 {
        const struct iphdr *iph = ip_hdr(skb);
@@ -550,7 +550,6 @@ struct sock *udp4_lib_lookup_skb(struct sk_buff *skb,
                                 iph->daddr, dport, inet_iif(skb),
                                 inet_sdif(skb), &udp_table, NULL);
 }
-EXPORT_SYMBOL_GPL(udp4_lib_lookup_skb);
 
 /* Must be called under rcu_read_lock().
  * Does increment socket refcount.
@@ -702,7 +701,7 @@ int __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
        sk = __udp4_lib_lookup(net, iph->daddr, uh->dest,
                               iph->saddr, uh->source, skb->dev->ifindex,
                               inet_sdif(skb), udptable, NULL);
-       if (!sk) {
+       if (!sk || udp_sk(sk)->encap_type) {
                /* No socket for error: try tunnels before discarding */
                sk = ERR_PTR(-ENOENT);
                if (static_branch_unlikely(&udp_encap_needed_key)) {
@@ -874,7 +873,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
        struct sock *sk = skb->sk;
        struct inet_sock *inet = inet_sk(sk);
        struct udphdr *uh;
-       int err = 0;
+       int err;
        int is_udplite = IS_UDPLITE(sk);
        int offset = skb_transport_offset(skb);
        int len = skb->len - offset;
@@ -2038,6 +2037,9 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
                if (rc == -ENOMEM)
                        UDP_INC_STATS(sock_net(sk), UDP_MIB_RCVBUFERRORS,
                                        is_udplite);
+               else
+                       UDP_INC_STATS(sock_net(sk), UDP_MIB_MEMERRORS,
+                                     is_udplite);
                UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
                kfree_skb(skb);
                trace_udp_fail_queue_rcv_skb(rc, sk);