[PATCH] ath11k: fix some sleeping in atomic bugs

Kalle Valo kvalo at codeaurora.org
Tue Sep 28 03:56:00 PDT 2021


Dan Carpenter <dan.carpenter at oracle.com> wrote:

> The ath11k_dbring_bufs_replenish() and ath11k_dbring_fill_bufs()
> take a "gfp" parameter but they since they take spinlocks, the
> allocations they do have to be atomic.  This causes a bug because
> ath11k_dbring_buf_setup passes GFP_KERNEL for the gfp flags.
> 
> The fix is to use GFP_ATOMIC and remove the unused parameters.
> 
> Fixes: bd6478559e27 ("ath11k: Add direct buffer ring support")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

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

aadf7c81a077 ath11k: fix some sleeping in atomic bugs

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210812070434.GE31863@kili/

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




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