On 2013/12/25 18:57, Sergei Shtylyov wrote:
> Hello.
>
> On 25-12-2013 7:29, Ding Tianhong wrote:
>
>> Use possibly more efficient ether_addr_equal
>> instead of memcmp.
>
>> Cc: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
>> Cc: linux-media@xxxxxxxxxxxxxxx
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
>> Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
>> ---
>> drivers/media/dvb-core/dvb_net.c | 8 ++++----
>> 1 file changed, 4 insertions(+), 4 deletions(-)
>
>> diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c
>> index f91c80c..3dfc33b 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))
>
> There should be space after comma.
>
>> @@ -674,11 +674,11 @@ 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++)
>
> Shouldn't this line be broken?
>
ok, thanks.
Regards
>> ;
>> if (i == priv->multi_num)
>> drop = 1;
>
> WBR, Sergei
>
>
>
>
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