Re: [PATCH v2] ath10k: Correct error handling of dma_map_single()

From: Kalle Valo
Date: Mon Oct 14 2019 - 04:43:21 EST


Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote:

> The return value of dma_map_single() should be checked for errors using
> dma_mapping_error() and the skb has been dequeued so it needs to be
> freed.
>
> This was found when enabling CONFIG_DMA_API_DEBUG and it warned about the
> missing dma_mapping_error() call.
>
> Fixes: 1807da49733e ("ath10k: wmi: add management tx by reference support over wmi")
> Reported-by: Niklas Cassel <niklas.cassel@xxxxxxxxxx>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>

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

d43810b2c180 ath10k: Correct error handling of dma_map_single()

--
https://patchwork.kernel.org/patch/11186173/

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