Fix the warning "warn: variable dereferenced before check 'crtc' (see line 390)" by removing unnecessary checks as ltdc_crtc_update_clut() is only called from ltdc_crtc_atomic_flush() where crtc and crtc->state are not NULL.
Many thanks to Dan Carpenter for the bug report https://lists.freedesktop.org/archives/dri-devel/2018-February/166918.html Signed-off-by: Philippe Cornu <philippe.co...@st.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> --- drivers/gpu/drm/stm/ltdc.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 061d2b6e5157..e3121d9e4230 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -392,9 +392,6 @@ static void ltdc_crtc_update_clut(struct drm_crtc *crtc) u32 val; int i; - if (!crtc || !crtc->state) - return; - if (!crtc->state->color_mgmt_changed || !crtc->state->gamma_lut) return; -- 2.15.1
