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Date:   Mon, 21 Mar 2022 10:56:54 -0700
From:   Mark Greer <mgreer@animalcreek.com>
To:     Jakob Koschel <jakobkoschel@gmail.com>
Cc:     Vaibhav Agarwal <vaibhav.sr@gmail.com>,
        linux-kernel@vger.kernel.org, greybus-dev@lists.linaro.org,
        linux-staging@lists.linux.dev, Mark Greer <mgreer@animalcreek.com>,
        Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Mike Rapoport <rppt@kernel.org>,
        Brian Johannesmeyer <bjohannesmeyer@gmail.com>,
        Cristiano Giuffrida <c.giuffrida@vu.nl>,
        "Bos, H.J." <h.j.bos@vu.nl>
Subject: Re: [PATCH] staging: greybus: codecs: fix type confusion of list
 iterator variable
Message-ID: <20220321175654.GA647493@animalcreek.com>
References: <20220321123626.3068639-1-jakobkoschel@gmail.com>
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In-Reply-To: <20220321123626.3068639-1-jakobkoschel@gmail.com>
Organization: Animal Creek Technologies, Inc.
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On Mon, Mar 21, 2022 at 01:36:26PM +0100, Jakob Koschel wrote:
> If the list does not exit early then data == NULL and 'module' does not
> point to a valid list element.
> Using 'module' in such a case is not valid and was therefore removed.
> 
> Fixes: 6dd67645f22c ("greybus: audio: Use single codec driver registration")
> Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
> ---
>  drivers/staging/greybus/audio_codec.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c
> index b589cf6b1d03..e19b91e7a72e 100644
> --- a/drivers/staging/greybus/audio_codec.c
> +++ b/drivers/staging/greybus/audio_codec.c
> @@ -599,8 +599,8 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
>  			break;
>  	}
>  	if (!data) {
> -		dev_err(dai->dev, "%s:%s DATA connection missing\n",
> -			dai->name, module->name);
> +		dev_err(dai->dev, "%s DATA connection missing\n",
> +			dai->name);
>  		mutex_unlock(&codec->lock);
>  		return -ENODEV;
>  	}
> 
> base-commit: f443e374ae131c168a065ea1748feac6b2e76613

Reviewed-by: Mark Greer <mgreer@animalcreek.com>