Subject: [PATCH v2 5/6] ipv6: modify the err to 0 when dealing with NDISC_REDIRECT

From: Duan Jiong <[email-masked]>
Date: Fri, 13 Sep 2013 11:02:23 +0800

From: Duan Jiong <[email-masked]>

when dealing with redirect message, the err shoud
be assigned to 0, not EPROTO. And del the statements
for updating route.

Signed-off-by: Duan Jiong <[email-masked]>
---
 net/ipv6/icmp.c | 3 +++
 net/ipv6/raw.c  | 3 +--
 net/ipv6/udp.c  | 2 --
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4bde43c..6bcedcc 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -975,6 +975,9 @@ int icmpv6_err_convert(u8 type, u8 code, int *err)
 	case ICMPV6_TIME_EXCEED:
 		*err = EHOSTUNREACH;
 		break;
+	case NDISC_REDIRECT:
+		*err = 0;
+		break;
 	}
 
 	return fatal;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 58916bb..baf86b8 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -335,8 +335,7 @@ 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)
-		ip6_sk_redirect(skb, sk);
+
 	if (np->recverr) {
 		u8 *payload = skb->data;
 		if (!inet->hdrincl)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f405815..a40b392 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -525,8 +525,6 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 	if (type == ICMPV6_PKT_TOOBIG)
 		ip6_sk_update_pmtu(skb, sk, info);
-	if (type == NDISC_REDIRECT)
-		ip6_sk_redirect(skb, sk);
 
 	np = inet6_sk(sk);
 
-- 
1.8.3.1