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-rw-r--r--net/ipv6/ip6_tunnel.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index daad1e5..8d91834 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -424,12 +424,9 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}
break;
case ICMPV6_PARAMPROB:
- /* ignore if parameter problem not caused by a tunnel
- encapsulation limit sub-option */
- if (code != ICMPV6_HDR_FIELD) {
- break;
- }
- teli = parse_tlv_tnl_enc_lim(skb, skb->data);
+ teli = 0;
+ if (code == ICMPV6_HDR_FIELD)
+ teli = parse_tlv_tnl_enc_lim(skb, skb->data);
if (teli && teli == ntohl(info) - 2) {
tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
@@ -441,6 +438,10 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
"tunnel!\n", t->parms.name);
rel_msg = 1;
}
+ } else if (net_ratelimit()) {
+ printk(KERN_WARNING
+ "%s: Recipient unable to parse tunneled "
+ "packet!\n ", t->parms.name);
}
break;
case ICMPV6_PKT_TOOBIG:
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