[PATCH] ath11k: fix potential wmi_mgmt_tx_queue race condition

[Kalle Valo]

Miaoqing Pan <miaoqing at codeaurora.org> wrote:

> There is a potential race condition between skb_queue_len()
> and skb_queue_tail(), the former may get old value before
> updated by the latter.
> 
> So use skb_queue_len_lockless() instead. And also use '>=',
> in case we queue a few SKBs simultaneously.
> 
> Found while discussing a similar fix for ath10k:
> https://patchwork.kernel.org/project/linux-wireless/patch/1608515579-1066-1-git-send-email-miaoqing@codeaurora.org/
> 
> No functional changes, compile tested only.
> 
> Signed-off-by: Miaoqing Pan <miaoqing at codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

3808a18043a8 ath11k: fix potential wmi_mgmt_tx_queue race condition

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1613630709-704-1-git-send-email-miaoqing@codeaurora.org/

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