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

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Date:   Mon, 21 Mar 2022 11:48:45 +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 with
 dedicated list iterator variable

The subject says that it fixes a bug but it does not.

On Sat, Mar 19, 2022 at 09:20:58PM +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.

This paragraph is confusing jumble words.  Just say: "This code is fine".

> 
> In preparation to limit the scope of the list iterator to the list
> traversal loop, use a dedicated pointer pointing to the found element [1].

This paragraph is the information we need.  Just add something like
"This patch has no effect on runtime".

regards,
dan carpenter