[IPV6]: Fix len calculation after icmp changes.

b74230be · Jan Oravec · David S. Miller · 821ea930 · b74230be
Commit b74230be authored Nov 11, 2003 by Jan Oravec Committed by David S. Miller Nov 11, 2003
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net/ipv6/icmp.c net/ipv6/icmp.c +1 -1

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--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -382,7 +382,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	msg.skb = skb;
 	msg.offset = skb->nh.raw - skb->data;
-	len = skb->len;
+	len = skb->len - msg.offset;
 	len = min_t(unsigned int, len, IPV6_MIN_MTU - sizeof(struct ipv6hdr) -sizeof(struct icmp6hdr));
 	if (len < 0) {
 		if (net_ratelimit())