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netfilter: ebtables: remove EBT_MATCH and EBT_NOMATCH

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EBT_MATCH and EBT_NOMATCH are used to change return value.
match functions(ebt_xxx.c) return false when received frame is not matched
and returns true when received frame is matched.
but, EBT_MATCH_ITERATE understands oppositely.
so, to change return value, EBT_MATCH and EBT_NOMATCH are used.
but, we can use operation '!' simply.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Taehee Yoo 2018-04-09 00:00:57 +09:00 committed by Pablo Neira Ayuso
parent e4de6ead16
commit cd9a5a1580
2 changed files with 1 additions and 5 deletions
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4
include/linux/netfilter_bridge/ebtables.h
View file

@ -17,10 +17,6 @@
#include <linux/if_ether.h>
#include <uapi/linux/netfilter_bridge/ebtables.h>
/* return values for match() functions */
#define EBT_MATCH 0
#define EBT_NOMATCH 1
struct ebt_match {
struct list_head list;
const char name[EBT_FUNCTION_MAXNAMELEN];

2
net/bridge/netfilter/ebtables.c
View file

@ -101,7 +101,7 @@ ebt_do_match(struct ebt_entry_match *m, const struct sk_buff *skb,
{
par->match = m->u.match;
par->matchinfo = m->data;
return m->u.match->match(skb, par) ? EBT_MATCH : EBT_NOMATCH;
return !m->u.match->match(skb, par);
}
static inline int