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| author | Giulio Benetti <giulio.benetti@micronovasrl.com> | 2018-10-06 00:59:51 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-11-06 18:55:29 +0300 |
| commit | a8939766c75c06b5a0ab691ecbba9347e4e520cf (patch) | |
| tree | c7830416d61fb780ef9e8369b00ca1806043d180 /lib/memory-notifier-error-inject.c | |
| parent | 7f4cedd882f7cae83177066c2b239ef457ce4a42 (diff) | |
| download | linux-a8939766c75c06b5a0ab691ecbba9347e4e520cf.tar.xz | |
drm/sun4i: tcon: prevent tcon->panel dereference if NULL
If tcon->panel pointer is NULL, trying to dereference from it
(i.e. tcon->panel->connector) will cause a null pointer dereference.
Add tcon->panel null pointer 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>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005215951.99003-2-giulio.benetti@micronovasrl.com
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions