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

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Message-ID: <CAMuHMdXr4aeTZmjgznunLtZFQusEW7Rw=q3FjTNa1jcgGwkoDQ@mail.gmail.com>
Date:   Tue, 11 Jan 2022 10:42:41 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     Vinod <vkoul@...nel.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Zou Wei <zou_wei@...wei.com>,
        dmaengine <dmaengine@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dmaengine: sh: rcar-dmac: Check for error num after dma_set_max_seg_size

On Tue, Jan 11, 2022 at 2:12 AM Jiasheng Jiang <jiasheng@...as.ac.cn> wrote:
> As the possible failure of the dma_set_max_seg_size(), it should be
> better to check the return value of the dma_set_max_seg_size().
>
> Fixes: 97d49c59e219 ("dmaengine: rcar-dmac: set scatter/gather max segment size")
> Reported-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds