diff options
| author | dingtianhong | 2013-12-26 12:41:10 +0100 |
|---|---|---|
| committer | David S. Miller | 2013-12-26 19:31:34 +0100 |
| commit | 5e231c2c5aeda0763c0b6e1337ca7bb61a887af8 (patch) | |
| tree | f528c86eaf297fc11f65c6fa8b565e8f669e5e24 | |
| parent | isdn: slight optimization of addr compare (diff) | |
| download | kernel-qcow2-linux-5e231c2c5aeda0763c0b6e1337ca7bb61a887af8.tar.gz kernel-qcow2-linux-5e231c2c5aeda0763c0b6e1337ca7bb61a887af8.tar.xz kernel-qcow2-linux-5e231c2c5aeda0763c0b6e1337ca7bb61a887af8.zip | |
media: dvb_core: slight optimization of addr compare
Use possibly more efficient ether_addr_equal
instead of memcmp.
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: linux-media@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>
| -rw-r--r-- | drivers/media/dvb-core/dvb_net.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index f91c80c0e9ec..8a86b3025637 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 */ } |