1 files changed, 6 insertions, 4 deletions

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 49d4d26bda88..7e6139508ee7 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -613,16 +613,18 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         struct xfrm_state *x;
 
         if (type != ICMPV6_DEST_UNREACH &&
-            type != ICMPV6_PKT_TOOBIG)
+            type != ICMPV6_PKT_TOOBIG &&
+            type != NDISC_REDIRECT)
                 return;
 
         x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6);
         if (!x)
                 return;
 
-        NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%pI6\n",
-                 ntohl(ah->spi), &iph->daddr);
-        ip6_update_pmtu(skb, net, info, 0, 0);
+        if (type == NDISC_REDIRECT)
+                ip6_redirect(skb, net, 0, 0);
+        else
+                ip6_update_pmtu(skb, net, info, 0, 0);
         xfrm_state_put(x);
 }