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authorGiulio Benetti <giulio.benetti@micronovasrl.com>2018-10-06 00:59:51 +0300
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-10-08 12:20:55 +0300
commit49c5c0769a919549d814de52f7aceaa1c86a3fc7 (patch)
tree6c2a6a7f44cd99337b0014b3e3f52ee0dc7aaf20 /drivers/gpu/drm/drm_fb_cma_helper.c
parent548ae867efb1741fa55cedb5e73d7d0e75acd1f2 (diff)
downloadlinux-49c5c0769a919549d814de52f7aceaa1c86a3fc7.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 'drivers/gpu/drm/drm_fb_cma_helper.c')
0 files changed, 0 insertions, 0 deletions