linux-kernel - Re: [PATCH] staging: greybus: codecs: fix type confusion of list iterator variable

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Message-ID: <20220321124412.GJ3293@kadam>
Date:   Mon, 21 Mar 2022 15:44:12 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Jakob Koschel <jakobkoschel@...il.com>
Cc:     Vaibhav Agarwal <vaibhav.sr@...il.com>,
        linux-kernel@...r.kernel.org, greybus-dev@...ts.linaro.org,
        linux-staging@...ts.linux.dev, Mark Greer <mgreer@...malcreek.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mike Rapoport <rppt@...nel.org>,
        Brian Johannesmeyer <bjohannesmeyer@...il.com>,
        Cristiano Giuffrida <c.giuffrida@...nl>,
        "Bos, H.J." <h.j.bos@...nl>
Subject: Re: [PATCH] staging: greybus: codecs: fix type confusion of list
 iterator variable

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@...il.com>

Thanks!

Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>

regards,
dan carpenter