linux-kernel - Re: [PATCH v3 1/2] soc: imx: gpcv2: Do not pass static memory as platform data

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Message-ID: <20180520062631.GS26863@dragon>
Date:   Sun, 20 May 2018 14:26:33 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Andrey Smirnov <andrew.smirnov@...il.com>
Cc:     Stefan Agner <stefan@...er.ch>,
        Lucas Stach <l.stach@...gutronix.de>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] soc: imx: gpcv2: Do not pass static memory as
 platform data

On Sat, May 19, 2018 at 03:35:55PM -0700, Andrey Smirnov wrote:
> On Tue, Apr 10, 2018 at 11:32 AM, Andrey Smirnov
> <andrew.smirnov@...il.com> wrote:
> > Platform device core assumes the ownership of dev.platform_data as
> > well as that it is dynamically allocated and it will try to kfree it
> > as a part of platform_device_release(). Change the code to use
> > platform_device_add_data() n instead of a pointer to a static memory
> > to avoid causing a BUG() when calling platform_device_put().
> >
> > The problem can be reproduced by artificially enabling the error path
> > of platform_device_add() call (around line 357).
> >
> > Note that this change also allows us to constify imx7_pgc_domains,
> > since we no longer need to be able to modify it.
> >
> 
> Shawn,
> 
> What's the status of these two patches? Do I need to change anything
> or are they good to go?

The patches were queued on imx/drivers branch for a while.  I forgot to
let you know.  Sorry.

Shawn