linux-kernel - Re: [PATCH] drm/bridge: vga-dac: Fix edid memory leak

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Message-ID: <20180502193646.GT73214@art_vandelay>
Date:   Wed, 2 May 2018 15:36:46 -0400
From:   Sean Paul <seanpaul@...omium.org>
To:     dri-devel@...ts.freedesktop.org
Cc:     Sean Paul <seanpaul@...omium.org>, Rob Herring <robh@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        stable@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/bridge: vga-dac: Fix edid memory leak

On Fri, Apr 20, 2018 at 02:59:59PM -0400, Sean Paul wrote:
> edid should be freed once it's finished being used.
> 
> Fixes: 56fe8b6f4991 ("drm/bridge: Add RGB to VGA bridge support")
> Cc: Rob Herring <robh@...nel.org>
> Cc: Sean Paul <seanpaul@...omium.org>
> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Cc: Archit Taneja <architt@...eaurora.org>
> Cc: Andrzej Hajda <a.hajda@...sung.com>
> Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> Cc: <stable@...r.kernel.org> # v4.9+
> Signed-off-by: Sean Paul <seanpaul@...omium.org>

Applied to -misc-fixes with review tags.

Sean

> ---
>  drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c
> index 498d5948d1a8..9837c8d69e69 100644
> --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c
> +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c
> @@ -56,7 +56,9 @@ static int dumb_vga_get_modes(struct drm_connector *connector)
>  	}
>  
>  	drm_mode_connector_update_edid_property(connector, edid);
> -	return drm_add_edid_modes(connector, edid);
> +	ret = drm_add_edid_modes(connector, edid);
> +	kfree(edid);
> +	return ret;
>  
>  fallback:
>  	/*
> -- 
> Sean Paul, Software Engineer, Google / Chromium OS
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS