linux-kernel - Re: Re: [PATCH] dmaengine: sh: rcar-dmac: Check for error num after setting mask

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Message-Id: <20220110101606.429119-1-jiasheng@iscas.ac.cn>
Date:   Mon, 10 Jan 2022 18:16:06 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     geert@...ux-m68k.org
Cc:     vkoul@...nel.org, yoshihiro.shimoda.uh@...esas.com,
        laurent.pinchart@...asonboard.com,
        wsa+renesas@...g-engineering.com, zou_wei@...wei.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: Re: Re: [PATCH] dmaengine: sh: rcar-dmac: Check for error num after setting mask

On Mon, Jan 10, 2022 at 05:37:34PM +0800, Geert Uytterhoeven wrote:
>> --- a/drivers/dma/sh/rcar-dmac.c
>> +++ b/drivers/dma/sh/rcar-dmac.c
>> @@ -1869,7 +1869,9 @@ static int rcar_dmac_probe(struct platform_device *pdev)
>>         dmac->dev = &pdev->dev;
>>         platform_set_drvdata(pdev, dmac);
>>         dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK);
>
> dma_set_max_seg_size() can fail, too.

Thanks for your reminder.
I will submit another patch to fix it and add
"Reported-by: Geert Uytterhoeven <geert+renesas@...der.be>".

Sincerely thanks,
Jiang