netfilter: ebtables: fix inversion in match code

Upstream commit d61ba9f:

Commit 8cc784ee (netfilter: change return types of match functions
for ebtables extensions) broke ebtables matches by inverting the
sense of match/nomatch.

Reported-by: Matt Cross <matthltc@us.ibm.com>
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 0fa208e86405ceab189042dd36e03fd3e6b893fd..05f198d9260de7e38959da7c479434778244a52a 100644 (file)
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -80,7 +80,7 @@ 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)