--- zzzz-none-000/linux-2.6.28.10/net/ipv4/netfilter.c	2009-05-02 18:54:43.000000000 +0000
+++ fusiv-7390-686/linux-2.6.28.10/net/ipv4/netfilter.c	2012-02-14 14:37:49.000000000 +0000
@@ -168,7 +168,7 @@
 		if (hook != NF_INET_PRE_ROUTING && hook != NF_INET_LOCAL_IN)
 			break;
 		if ((protocol == 0 && !csum_fold(skb->csum)) ||
-		    !csum_tcpudp_magic(iph->saddr, iph->daddr,
+		    !csum_tcpudp_magic(RD16(iph->saddr), RD16(iph->daddr),
 				       skb->len - dataoff, protocol,
 				       skb->csum)) {
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -179,7 +179,7 @@
 		if (protocol == 0)
 			skb->csum = 0;
 		else
-			skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr,
+			skb->csum = csum_tcpudp_nofold(RD16(iph->saddr), RD16(iph->daddr),
 						       skb->len - dataoff,
 						       protocol, 0);
 		csum = __skb_checksum_complete(skb);