===== net/core/netfilter.c 1.23 vs edited =====
--- 1.23/net/core/netfilter.c	Thu Jul 31 01:57:26 2003
+++ edited/net/core/netfilter.c	Mon Aug 25 14:25:19 2003
@@ -645,6 +645,7 @@
 		/* Drop old route. */
 		dst_release((*pskb)->dst);
 		(*pskb)->dst = &rt->u.dst;
+		iph->saddr = rt->rt_src;
 	} else {
 		/* non-local src, find valid iif to satisfy
 		 * rp-filter when calling ip_route_input. */