linux-kernel - Re: [PATCH] drm/nouveau/clk/gm20b: Fix memory leak in gm20b_clk

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Message-ID: <20200602153900.GW22511@kadam>
Date:   Tue, 2 Jun 2020 18:39:00 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     Dinghao Liu <dinghao.liu@....edu.cn>,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>, Kangjie Lu <kjlu@....edu>
Subject: Re: [PATCH] drm/nouveau/clk/gm20b: Fix memory leak in gm20b_clk_new()

On Tue, Jun 02, 2020 at 01:10:34PM +0200, Markus Elfring wrote:
> > The original patch was basically fine.
> 
> I propose to reconsider the interpretation of the software situation once more.
> 
> * Should the allocated clock object be kept usable even after
>   a successful return from this function?

Heh.  You're right.  The patch is freeing "clk" on the success path so
that doesn't work.

regards,
dan carpenter