--- ../linux.vanilla/net/ipv4/ip_options.c      Wed May 12 16:49:38 1999
+++ net/ipv4/ip_options.c       Tue Jun  1 22:11:46 1999
@@ -452,7 +452,6 @@
 error:
        if (skb) {
                icmp_send(skb, ICMP_PARAMETERPROB, 0, htonl((pp_ptr-iph)<<24));
-               kfree_skb(skb);
        }
        return -EINVAL;
 }