Use possibly more efficient ether_addr_equal
instead of memcmp.
Cc: Mauro Carvalho Chehab <m.che...@samsung.com>
Cc: linux-me...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Yang Yingliang <yangyingli...@huawei.com>
Signed-off-by: Ding Tianhong <dingtianh...@huawei.com>
Acked-by: Mauro Carvalho Chehab <m.che...@samsung.com>
---
drivers/media/dvb-core/dvb_net.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c
index f91c80c..8a86b30 100644
--- a/drivers/media/dvb-core/dvb_net.c
+++ b/drivers/media/dvb-core/dvb_net.c
@@ -179,7 +179,7 @@ static __be16 dvb_net_eth_type_trans(struct sk_buff *skb,
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;
@@ -674,11 +674,13 @@ static void dvb_net_ule( struct net_device *dev, const u8
*buf, size_t buf_len )
if (priv->rx_mode != RX_MODE_PROMISC) {
if (priv->ule_skb->data[0] &
0x01) {
/* multicast or
broadcast */
- if
(memcmp(priv->ule_skb->data, bc_addr, ETH_ALEN)) {
+ if
(!ether_addr_equal(priv->ule_skb->data, bc_addr)) {
/* multicast */
if
(priv->rx_mode == RX_MODE_MULTI) {
int i;
- for(i =
0; i < priv->multi_num && memcmp(priv->ule_skb->data, priv->multi_macs[i],
ETH_ALEN); i++)
+ for (i
= 0; i < priv->multi_num &&
+
!ether_addr_equal(priv->ule_skb->data,
+
priv->multi_macs[i]); i++)
;
if (i
== priv->multi_num)
drop = 1;
@@ -688,7 +690,7 @@ static void dvb_net_ule( struct net_device *dev, const u8
*buf, size_t buf_len )
}
/* else: broadcast */
}
- else if
(memcmp(priv->ule_skb->data, dev->dev_addr, ETH_ALEN))
+ else if
(!ether_addr_equal(priv->ule_skb->data, dev->dev_addr))
drop = 1;
/* else: destination address
matches the MAC address of our receiver device */
}
--
1.8.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
