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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
commitc50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch)
tree4ea36009719bd8fc523239fe1bdccb90f0dce3ae /net/ipv4/udp.c
parent14d33d384693eb6083396199de516fdef320f7af (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index eaca73644e7..6f6d1aca3c3 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -108,6 +108,7 @@
#include <net/xfrm.h>
#include <trace/events/udp.h>
#include <linux/static_key.h>
+#include <trace/events/skb.h>
#include "udp_impl.h"
struct udp_table udp_table __read_mostly;
@@ -615,6 +616,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
break;
case ICMP_DEST_UNREACH:
if (code == ICMP_FRAG_NEEDED) { /* Path MTU discovery */
+ ipv4_sk_update_pmtu(skb, sk, info);
if (inet->pmtudisc != IP_PMTUDISC_DONT) {
err = EMSGSIZE;
harderr = 1;
@@ -628,6 +630,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
err = icmp_err_convert[code].errno;
}
break;
+ case ICMP_REDIRECT:
+ ipv4_sk_redirect(skb, sk);
+ break;
}
/*
@@ -753,7 +758,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
uh->check = CSUM_MANGLED_0;
send:
- err = ip_send_skb(skb);
+ err = ip_send_skb(sock_net(sk), skb);
if (err) {
if (err == -ENOBUFS && !inet->recverr) {
UDP_INC_STATS_USER(sock_net(sk),
@@ -1219,8 +1224,10 @@ try_again:
goto csum_copy_err;
}
- if (err)
+ if (unlikely(err)) {
+ trace_kfree_skb(skb, udp_recvmsg);
goto out_free;
+ }
if (!peeked)
UDP_INC_STATS_USER(sock_net(sk),