netdev - Re: [PATCH v2] ath10k: Correct error handling of dma_map

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Date:   Mon, 14 Oct 2019 08:43:19 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Niklas Cassel <niklas.cassel@...aro.org>
Subject: Re: [PATCH v2] ath10k: Correct error handling of dma_map_single()

Bjorn Andersson <bjorn.andersson@...aro.org> 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@...aro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Kalle Valo <kvalo@...eaurora.org>

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