netdev - [PATCH 20/21] hamradio: slight optimization of addr compare

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <52B7C604.8070908@huawei.com>
Date:	Mon, 23 Dec 2013 13:11:32 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	Joerg Reuter <jreuter@...na.de>, <linux-hams@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 20/21] hamradio: slight optimization of addr compare

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

Cc: Joerg Reuter <jreuter@...na.de>
Cc: linux-hams@...r.kernel.org
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
---
 drivers/net/hamradio/bpqether.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index f91bf0d..61eae6e 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -208,7 +208,7 @@ static int bpq_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
 	eth = eth_hdr(skb);
 
 	if (!(bpq->acpt_addr[0] & 0x01) &&
-	    memcmp(eth->h_source, bpq->acpt_addr, ETH_ALEN))
+	    !ether_addr_equal_unaligned(eth->h_source, bpq->acpt_addr))
 		goto drop_unlock;
 
 	if (skb_cow(skb, sizeof(struct ethhdr)))
-- 
1.8.0


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html