BLT -> MOD : CONFIG_IOSCHED_AS
[linux-2.6.git] / net / ipv4 / netfilter / ip_nat_proto_udp.c
index ec6053f..802ceb7 100644 (file)
@@ -114,7 +114,12 @@ udp_manip_pkt(struct sk_buff **pskb,
                portptr = &hdr->dest;
        }
        if (hdr->check) /* 0 is a special case meaning no checksum */
-               hdr->check = ip_nat_cheat_check(~oldip, newip,
+#ifdef CONFIG_XEN
+               if ((*pskb)->proto_csum_blank)
+                       hdr->check = ip_nat_cheat_check(oldip, ~newip, hdr->check);
+               else
+#endif
+                       hdr->check = ip_nat_cheat_check(~oldip, newip,
                                        ip_nat_cheat_check(*portptr ^ 0xFFFF,
                                                           newport,
                                                           hdr->check));