commit 6556874dc3770aefae89907b3cf9be8e23d66137
author Jan Engelhardt <jengelh@computergmbh.de> Wed Feb 27 12:20:41 2008 -0800
committer David S. Miller <davem@davemloft.net> Wed Feb 27 12:20:41 2008 -0800
tree 9a3d635a5ceb0672858eb4cbecdc13a3e075c599
parent d61f89e9417e68caf9ca801606694c1c960ad179

[NETFILTER]: xt_conntrack: fix IPv4 address comparison

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/netfilter/xt_conntrack.c

diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index dd192ac..0c50b28 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -122,7 +122,7 @@
                   const union nf_inet_addr *umask, unsigned int l3proto)
 {
 	if (l3proto == AF_INET)
-		return (kaddr->ip & umask->ip) == uaddr->ip;
+		return ((kaddr->ip ^ uaddr->ip) & umask->ip) == 0;
 	else if (l3proto == AF_INET6)
 		return ipv6_masked_addr_cmp(&kaddr->in6, &umask->in6,
 		       &uaddr->in6) == 0;