[IPV6]: Check output fragmentation using dst_pmtu not dev->mtu.

c07a729d · David S. Miller · 6ec6f76e · c07a729d
Commit c07a729d authored May 12, 2003 by David S. Miller
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net/ipv6/ip6_output.c net/ipv6/ip6_output.c +1 -1

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--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -141,7 +141,7 @@ int ip6_output2(struct sk_buff *skb)

 int ip6_output(struct sk_buff *skb)
 {
-	if ((skb->len > skb->dst->dev->mtu || skb_shinfo(skb)->frag_list))
+	if ((skb->len > dst_pmtu(skb->dst) || skb_shinfo(skb)->frag_list))
 		return ip6_fragment(skb, ip6_output2);
 	else
 		return ip6_output2(skb);