linux-kernel - Re: [alsa-devel] [PATCH] ASoC: fsl_esai: Add freq check in set_dai

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Message-ID: <CAOMZO5D-HNjLyLHft4OiTt806ePJvMbuhKZ4yzO07pD2-w4kqA@mail.gmail.com>
Date:   Sun, 8 Apr 2018 22:31:54 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>
Cc:     Mark Brown <broonie@...nel.org>, alsa-devel@...a-project.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Fabio Estevam <fabio.estevam@....com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [alsa-devel] [PATCH] ASoC: fsl_esai: Add freq check in set_dai_sysclk()

On Sun, Apr 8, 2018 at 9:33 PM, Nicolin Chen <nicoleotsuka@...il.com> wrote:
> The freq parameter indicates the physical frequency of an actual
> input clock or a desired frequency of an output clock for HCKT/R.
> It should never be passed 0. This might cause Division-by-zero.
>
> So this patch adds a check to fix it.
>
> Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>

Reviewed-by: Fabio Estevam <fabio.estevam@....com>