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authorDuan Jiong <duanj.fnst@cn.fujitsu.com>2013-09-20 18:21:25 +0800
committerDavid S. Miller <davem@davemloft.net>2013-09-24 10:15:49 -0400
commit8d65b1190ddc548b0411477f308d04f4595bac57 (patch)
tree5a27064eead0557336a558d3ddf8fc6e26fde048 /net
parent1a462d189280b560bd84af1407e4d848e262b3b3 (diff)
downloadlinux-8d65b1190ddc548b0411477f308d04f4595bac57.tar.gz
net: raw: do not report ICMP redirects to user space
Redirect isn't an error condition, it should leave the error handler without touching the socket. Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/raw.c4
-rw-r--r--net/ipv6/raw.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index bfec521c717f..193db03540ad 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -218,8 +218,10 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info)
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED)
ipv4_sk_update_pmtu(skb, sk, info);
- else if (type == ICMP_REDIRECT)
+ else if (type == ICMP_REDIRECT) {
ipv4_sk_redirect(skb, sk);
+ return;
+ }
/* Report error on raw socket, if:
1. User requested ip_recverr.
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 58916bbb1728..a4ed2416399e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -335,8 +335,10 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
ip6_sk_update_pmtu(skb, sk, info);
harderr = (np->pmtudisc == IPV6_PMTUDISC_DO);
}
- if (type == NDISC_REDIRECT)
+ if (type == NDISC_REDIRECT) {
ip6_sk_redirect(skb, sk);
+ return;
+ }
if (np->recverr) {
u8 *payload = skb->data;
if (!inet->hdrincl)