linux-kernel - Re: [PATCH 1/1] of: overlay: of_overlay

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Message-ID: <1ed7ea01-b515-7c0b-4b3e-547d19717deb@gmail.com>
Date:   Fri, 8 Apr 2022 12:40:56 -0500
From:   Frank Rowand <frowand.list@...il.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Slawomir Stepien <slawomir.stepien@...ia.com>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Slawomir Stepien <sst@...zta.fm>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Alan Tull <atull@...nel.org>
Subject: Re: [PATCH 1/1] of: overlay: of_overlay_apply() kfree() errors

On 4/8/22 12:34, Rob Herring wrote:
> On Fri, Apr 8, 2022 at 12:21 PM <frowand.list@...il.com> wrote:
>>
>> From: Frank Rowand <frank.rowand@...y.com>
> 
> The subject needs a verb.
> 
>>
>> Fix various kfree() issues related to of_overlay_apply().
>>   - Double kfree() of fdt and tree when init_overlay_changeset()
>>     returns an error.
>>   - free_overlay_changeset() free of the root of the unflattened
>>     overlay (variable tree) instead of the memory that contains
>>     the unflattened overlay.
>>   - Move similar kfree()s from multiple error locations to a
>>     common error path (err_free_tree_unlocked:).
> 
> What about my question/suggestion on the original patch from Slawomir?
> 

I lost track of your email while investigating the problem.  I'll go
back and look at your suggestion and question.

-Frank