[PATCH v3 08/19] ozwpan: slight optimization of addr compare
Ding Tianhong
dingtianhong at huawei.com
Thu Dec 26 08:35:54 UTC 2013
On 2013/12/25 18:54, Sergei Shtylyov wrote:
> Hello.
>
> On 25-12-2013 7:28, Ding Tianhong wrote:
>
>> Use possibly more efficient ether_addr_equal
>> instead of memcmp.
>
>> Cc: Rupesh Gujare <rupesh.gujare at atmel.com>
>> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
>> Cc: devel at driverdev.osuosl.org
>> Cc: linux-kernel at vger.kernel.org
>> Signed-off-by: Tan Xiaojun <tanxiaojun at huawei.com>
>> Signed-off-by: Ding Tianhong <dingtianhong at huawei.com>
>> ---
>> drivers/staging/ozwpan/ozcdev.c | 2 +-
>> drivers/staging/ozwpan/ozproto.c | 5 +++--
>> 2 files changed, 4 insertions(+), 3 deletions(-)
>
>> diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
>> index 6ce0af9..c363f66 100644
>> --- a/drivers/staging/ozwpan/ozcdev.c
>> +++ b/drivers/staging/ozwpan/ozcdev.c
>> @@ -448,7 +448,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume)
>> }
>> spin_lock(&g_cdev.lock);
>> if ((g_cdev.active_pd == NULL) &&
>> - (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) {
>> + (ether_addr_equal(pd->mac_addr, g_cdev.active_addr))) {
>
> There's no point in enclosing function call into parens.
>
> WBR, Sergei
>
ok, thanks.
Regards
Ding
>
>
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