On 2014/1/7 21:54, Mauro Carvalho Chehab wrote:
> Em Thu, 26 Dec 2013 19:09:10 +0800
> Ding Tianhong <dingtianhong@xxxxxxxxxx> escreveu:
>
>> 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.
>
> Also, since you're touching on those lines, could you please add an space
> after 'if' (on the first hunk) and after 'for' (on the second one)?
>
Ok, thanks
Regards
Ding
>>
>> Regards
>>>> ;
>>>> if (i == priv->multi_num)
>>>> drop = 1;
>>>
>>> WBR, Sergei
>>>
>>>
>>>
>>>
>>
>>
>> --
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>
> Thanks,
> Mauro
>
> .
>
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