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| author | dingtianhong <dingtianhong@huawei.com> | 2013-12-26 19:41:10 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-26 13:31:34 -0500 |
| commit | 5e231c2c5aeda0763c0b6e1337ca7bb61a887af8 (patch) | |
| tree | f528c86eaf297fc11f65c6fa8b565e8f669e5e24 /drivers/media/dvb-core | |
| parent | 48f045b9115bb26e08f065840d7732d920525e30 (diff) | |
| download | linux-5e231c2c5aeda0763c0b6e1337ca7bb61a887af8.tar.gz linux-5e231c2c5aeda0763c0b6e1337ca7bb61a887af8.tar.bz2 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>
Diffstat (limited to 'drivers/media/dvb-core')
| -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 */ } |