[NETFILTER]: xt_string: fix negation

The xt_string match is broken with ! negation. This resolves a portion of netfilter bugzilla #497. Signed-off-by: Phil Oester <kernel@linuxace.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Aug 14, 2006 · 97c802a · 97c802a
1 parent 18b6fe6
commit 97c802a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
@@ -37,7 +37,7 @@ static int match(const struct sk_buff *skb,
 
 	return (skb_find_text((struct sk_buff *)skb, conf->from_offset, 
 			     conf->to_offset, conf->config, &state) 
-			     != UINT_MAX) && !conf->invert;
+			     != UINT_MAX) ^ conf->invert;
 }
 
 #define STRING_TEXT_PRIV(m) ((struct xt_string_info *) m)