isdn: slight optimization of addr compare
authordingtianhong <dingtianhong@huawei.com>
Thu, 26 Dec 2013 11:41:05 +0000 (19:41 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 26 Dec 2013 18:31:34 +0000 (13:31 -0500)
Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/isdn/i4l/isdn_net.c

index 8b98d53..d9aebbc 100644 (file)
@@ -1371,7 +1371,7 @@ isdn_net_type_trans(struct sk_buff *skb, struct net_device *dev)
        eth = eth_hdr(skb);
 
        if (*eth->h_dest & 1) {
-               if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
+               if (ether_addr_equal(eth->h_dest, dev->broadcast))
                        skb->pkt_type = PACKET_BROADCAST;
                else
                        skb->pkt_type = PACKET_MULTICAST;
@@ -1382,7 +1382,7 @@ isdn_net_type_trans(struct sk_buff *skb, struct net_device *dev)
         */
 
        else if (dev->flags & (IFF_PROMISC /*| IFF_ALLMULTI*/)) {
-               if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
+               if (!ether_addr_equal(eth->h_dest, dev->dev_addr))
                        skb->pkt_type = PACKET_OTHERHOST;
        }
        if (ntohs(eth->h_proto) >= ETH_P_802_3_MIN)