linux-kernel - Re: [PATCH] ASoC: samsung: idma: Check of ioremap return value

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Message-ID: <5e799c7f-573b-d254-80e6-85404ef536b6@canonical.com>
Date:   Tue, 28 Dec 2021 14:12:39 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>, s.nawrocki@...sung.com,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: samsung: idma: Check of ioremap return value

On 28/12/2021 04:40, Jiasheng Jiang wrote:
> Because of the potential failure of the ioremap(), the buf->area could
> be NULL.
> Therefore, we need to check it and return -ENOMEM in order to transfer
> the error.
> 
> Fixes: f09aecd50f39 ("ASoC: SAMSUNG: Add I2S0 internal dma driver")
> Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
> ---
>  sound/soc/samsung/idma.c | 2 ++
>  1 file changed, 2 insertions(+)
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>


Best regards,
Krzysztof