Re: [PATCH] wifi: ath11k: fix SAC bug on peer addition with sta band migration

From: Kalle Valo
Date: Wed Feb 22 2023 - 05:07:38 EST


Christian Marangi <ansuelsmth@xxxxxxxxx> writes:

> On Mon, Feb 20, 2023 at 08:57:51AM +0000, Kalle Valo wrote:
>> Christian Marangi <ansuelsmth@xxxxxxxxx> wrote:
>>
>> > Fix sleep in atomic context warning detected by Smatch static checker
>> > analyzer.
>> >
>> > Following the locking pattern for peer_rhash_add lock tbl_mtx_lock mutex
>> > always even if sta is not transitioning to another band.
>> > This is peer_add function and a more secure locking should not cause
>> > performance regression.
>> >
>> > Fixes: d673cb6fe6c0 ("wifi: ath11k: fix peer addition/deletion
>> > error on sta band migration")
>> > Reported-by: Dan Carpenter <error27@xxxxxxxxx>
>> > Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
>> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
>>
>> I assume you only compile tested this and I'll add that to the commit log. It's
>> always good to know how the patch was tested.
>>
>
> Hi, I just got time to test this and works correctly on my Xiaomi
> AX3600.
>
> Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01208-QCAHKSWPL_SILICONZ-1

Thanks, I'll add this to the commit log.

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