Search Linux Wireless

Re: [PATCH RFC 1/4] wifi: ath12k: switch to using wiphy_lock() and remove ar->conf_mutex

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Baochen Qiang <quic_bqiang@xxxxxxxxxxx> writes:

> On 8/21/2024 11:37 PM, Kalle Valo wrote:
>> @@ -845,7 +845,9 @@ int ath12k_wow_op_suspend(struct ieee80211_hw *hw,
>>  	struct ath12k *ar = ath12k_ah_to_ar(ah, 0);
>>  	int ret;
>>  
>> -	mutex_lock(&ar->conf_mutex);
>> +	lockdep_assert_wiphy(hw->wiphy);
>> +
>> +	wiphy_lock(ath12k_ar_to_hw(ar)->wiphy);
>
> we don't need this lock because it is already held by mac80211.
>
>>  	ret =  ath12k_wow_cleanup(ar);
>>  	if (ret) {
>> @@ -913,7 +915,7 @@ int ath12k_wow_op_suspend(struct ieee80211_hw *hw,
>>  	ath12k_wow_cleanup(ar);
>>  
>>  exit:
>> -	mutex_unlock(&ar->conf_mutex);
>> +	wiphy_unlock(ath12k_ar_to_hw(ar)->wiphy);
>
> same here.

Ouch, that's bad. Will fix in v2, thanks!

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux