patch-2.0.12 linux/net/ipv4/ip_forward.c

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diff -u --recursive --new-file v2.0.11/linux/net/ipv4/ip_forward.c linux/net/ipv4/ip_forward.c
@@ -315,7 +315,7 @@
 #endif
 		IS_SKB(skb);
 
-		if (skb->len+encap > dev2->mtu && (ntohs(iph->frag_off) & IP_DF)) 
+		if (skb->len+encap > dev2->mtu && (iph->frag_off & htons(IP_DF))) 
 		{
 			ip_statistics.IpFragFails++;
 			icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(dev2->mtu), dev);

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