netfilter 05/09: ebtables: fix inversion in match code

Commit 8cc784ee (netfilter: change return types of match functions
for ebtables extensions) broke ebtables matches by inverting the
sense of match/nomatch.
Reported-by: NMatt Cross <matthltc@us.ibm.com>
Signed-off-by: NJan Engelhardt <jengelh@medozas.de>
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/bridge/netfilter/ebtables.c

@@ -79,7 +79,7 @@ static inline int ebt_do_match (struct ebt_entry_match *m,
 {
 	par->match     = m->u.match;
 	par->matchinfo = m->data;
-	return m->u.match->match(skb, par);
+	return m->u.match->match(skb, par) ? EBT_MATCH : EBT_NOMATCH;
 }
 
 static inline int ebt_dev_check(char *entry, const struct net_device *device)