[ath9k-devel] [PATCH] ath9k: ar5008_hw_cmn_spur_mitigate: add missing mask_m & mask_p initialisation
Oleksij Rempel <[email protected]>
| Newsgroups | org.ath9k.lists.ath9k-devel,org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
Am 15.04.2016 um 22:59 schrieb Bob Copeland:
> On Tue, Apr 12, 2016 at 07:37:44PM +0200, Oleksij Rempel wrote:
>> by moving common code to ar5008_hw_cmn_spur_mitigate i forgot to move
>> mask_m & mask_p initialisation. This coused a performance regression
>> on ar9281.
>>
>> Fixes: f911085ffa88 ("ath9k: split ar5008_hw_spur_mitigate and reuse common code in ar9002_hw_spur_mitigate.")
>> Reported-by: Gustav Frederiksen <[email protected]>
>> Tested-by: Gustav Frederiksen <[email protected]>
>> Signed-off-by: Oleksij Rempel <[email protected]>
>> ---
>> drivers/net/wireless/ath/ath9k/ar5008_phy.c | 8 +++-----
>> drivers/net/wireless/ath/ath9k/ar9002_phy.c | 5 -----
>> 2 files changed, 3 insertions(+), 10 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
>> index 8f87930..1b271b9 100644
>> --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
>> +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
>> @@ -274,6 +274,9 @@ void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah,
>> };
>> static const int inc[4] = { 0, 100, 0, 0 };
>>
>> + memset(&mask_m, 0, sizeof(int8_t) * 123);
>> + memset(&mask_p, 0, sizeof(int8_t) * 123);
>> +
>
> For a future patch, "sizeof(mask_m)" or even just:
>
> u8 mask_m[123] = {0};
>
> ... would be better here. I looked at this bit and thought, no way is
> "123" actually correct. Lo and behold, that is actually the number of
> array elements, whether that has a basis in something real or not :)
If you already on it can you please rework it on top of this patch?
This complete function can be probably reworked.
--
Regards,
Oleksij
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 213 bytes
Desc: OpenPGP digital signature
Url : http://lists.ath9k.org/pipermail/ath9k-devel/attachments/20160416/bc3401c0/attachment.pgp