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

From: Sean Paul
Date: Wed May 02 2018 - 15:36:55 EST


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@xxxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
> Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.9+
> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>

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