linux-kernel - [PATCH 09/21] batman-adv: slight optimization of addr compare

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Message-ID: <52B7C5C5.2050304@huawei.com>
Date:	Mon, 23 Dec 2013 13:10:29 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	Marek Lindner <mareklindner@...mailbox.ch>,
	Simon Wunderlich <sw@...onwunderlich.de>,
	Antonio Quartulli <antonio@...hcoding.com>,
	"David S. Miller" <davem@...emloft.net>,
	<b.a.t.m.a.n@...ts.open-mesh.org>, Netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 09/21] batman-adv: slight optimization of addr compare

Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Marek Lindner <mareklindner@...mailbox.ch>
Cc: Simon Wunderlich <sw@...onwunderlich.de>
Cc: Antonio Quartulli <antonio@...hcoding.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: b.a.t.m.a.n@...ts.open-mesh.org
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Tan Xiaojun <tanxiaojun@...wei.com>
Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
---
 net/batman-adv/originator.c        | 2 +-
 net/batman-adv/translation-table.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 8ab1434..0490a26 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -41,7 +41,7 @@ int batadv_compare_orig(const struct hlist_node *node, const void *data2)
 	const void *data1 = container_of(node, struct batadv_orig_node,
 					 hash_entry);
 
-	return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
+	return ether_addr_equal_unaligned(data1, data2) ? 1 : 0;
 }
 
 /**
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 4add57d..5e66d4b 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -51,7 +51,7 @@ static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
 	const void *data1 = container_of(node, struct batadv_tt_common_entry,
 					 hash_entry);
 
-	return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
+	return ether_addr_equal_unaligned(data1, data2) ? 1 : 0;
 }
 
 /**
-- 
1.8.0


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