2014-01-08 02:54:26

by Ding Tianhong

[permalink] [raw]
Subject: [PATCH v3.6 12/19] isdn: slight optimization of addr compare

Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Karsten Keil <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Yang Yingliang <[email protected]>
Signed-off-by: Ding Tianhong <[email protected]>
---
drivers/isdn/i4l/isdn_net.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 8b98d53..d9aebbc 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -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)
--
1.8.0