linux-kernel - Re: [PATCH 1/1] drm/vc4: drv: Add error handding for bind

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Message-ID: <20201028112917.GW401619@phenom.ffwll.local>
Date:   Wed, 28 Oct 2020 12:29:17 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Hoegeun Kwon <hoegeun.kwon@...sung.com>, eric@...olt.net,
        airlied@...ux.ie, daniel@...ll.ch, robh+dt@...nel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com,
        dave.stevenson@...pberrypi.com, sungguk.na@...sung.com
Subject: Re: [PATCH 1/1] drm/vc4: drv: Add error handding for bind

On Tue, Oct 27, 2020 at 03:54:31PM +0100, Maxime Ripard wrote:
> Hi,
> 
> On Tue, Oct 27, 2020 at 01:14:42PM +0900, Hoegeun Kwon wrote:
> > There is a problem that if vc4_drm bind fails, a memory leak occurs on
> > the drm_property_create side. Add error handding for drm_mode_config.
> > 
> > Signed-off-by: Hoegeun Kwon <hoegeun.kwon@...sung.com>
> 
> Applied, thanks!

Switching over to drmm_ version of this would also be good I think.
Together with the devm_ version for allocating the drm_device you could
delete a pile of that fragile cleanup code.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch