linux-kernel - [PATCH 3/4] netfilter: ipset: use list_is

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Message-Id: <b415535e3c9784ee8529b3e7372b94e759b48bf4.1449755818.git.geliangtang@163.com>
Date:	Thu, 10 Dec 2015 22:17:17 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Pablo Neira Ayuso <pablo@...filter.org>,
	Patrick McHardy <kaber@...sh.net>,
	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	"David S. Miller" <davem@...emloft.net>
Cc:	Geliang Tang <geliangtang@....com>, Jens Axboe <axboe@...nel.dk>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Jan Kara <jack@...e.cz>, Josef Bacik <jbacik@...com>,
	Josh Triplett <josh@...htriplett.org>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Seth Jennings <sjenning@...hat.com>,
	Jiri Kosina <jikos@...nel.org>,
	Vojtech Pavlik <vojtech@...e.com>,
	live-patching@...r.kernel.org, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org, netdev@...r.kernel.org,
	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] netfilter: ipset: use list_is_first()

For better readability, use list_is_first() instead of open-coded.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 net/netfilter/ipset/ip_set_list_set.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index bbede95..9d757d6 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -288,7 +288,7 @@ list_set_uadd(struct ip_set *set, void *value, const struct ip_set_ext *ext,
 			n = list_next_entry(next, list);
 	} else {
 		/* Insert before prev element */
-		if (prev->list.prev != &map->members)
+		if (!list_is_first(&prev->list, &map->members))
 			n = list_prev_entry(prev, list);
 	}
 	/* Can we replace a timed out entry? */
-- 
2.5.0


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