Messages in this thread |  | | From | Chen-Yu Tsai <> | Date | Wed, 3 Oct 2018 15:34:09 +0800 | Subject | Re: [PATCH 2/2] drm/sun4i: tcon: prevent tcon->panel dereference if null |
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On Wed, Oct 3, 2018 at 5:59 AM Giulio Benetti <giulio.benetti@micronovasrl.com> wrote: > > If using tcon with VGA, tcon->panel will be null(0), this will cause > segmentation fault when trying to dereference tcon->panel->connector. > > Add tcon->panel null check before calling > sun4i_tcon0_mode_set_dithering(). > > Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Fixes: f11adcecbd5f ("drm/sun4i: tcon: Add dithering support for RGB565/RGB666 LCD panels")
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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