Re: [PATCH 09/21] batman-adv: slight optimization of addr compare

From: Ding Tianhong
Date: Mon Dec 23 2013 - 04:09:42 EST


On 2013/12/23 16:46, Antonio Quartulli wrote:
> On 23/12/13 06:10, Ding Tianhong wrote:
>
> [...]
>
>> --- a/net/batman-adv/originator.c
>> +++ b/net/batman-adv/originator.c
>> @@ -41,7 +41,7 @@ int batadv_compare_orig(const struct hlist_node *node, const void *data2)
>> const void *data1 = container_of(node, struct batadv_orig_node,
>> hash_entry);
>>
>> - return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
>> + return ether_addr_equal_unaligned(data1, data2) ? 1 : 0;
>
> ether_addr_equal_unaligned() returns a bool value which is implicitly
> converted to 1 or 0: there is no need for the ternary if anymore.
>
>
>> }
>>
>> /**
>> diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
>> index 4add57d..5e66d4b 100644
>> --- a/net/batman-adv/translation-table.c
>> +++ b/net/batman-adv/translation-table.c
>> @@ -51,7 +51,7 @@ static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
>> const void *data1 = container_of(node, struct batadv_tt_common_entry,
>> hash_entry);
>>
>> - return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
>> + return ether_addr_equal_unaligned(data1, data2) ? 1 : 0;
>
> same here
>
>
> Moreover, include linux/etherdevice.h in both files as explained in
> point 1) of Documentation/SubmitChecklist
>
> Thanks.
>
>
>
> Cheers,
>

Yes, thanks a lot, fix it soon.

Regards
Ding



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/