drm/damage-helper: Use NULL instead of 0
The 'clips' member is a pointer, so assign NULL instead of 0.
This fixes the following sparse warning:
drivers/gpu/drm/drm_damage_helper.c:289:31: warning: Using plain integer as NULL pointer
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527183714.11168-1-festevam@gmail.com
diff --git a/drivers/gpu/drm/drm_damage_helper.c b/drivers/gpu/drm/drm_damage_helper.c
index ee67c96..8230dac 100644
--- a/drivers/gpu/drm/drm_damage_helper.c
+++ b/drivers/gpu/drm/drm_damage_helper.c
@@ -286,7 +286,7 @@ drm_atomic_helper_damage_iter_init(struct drm_atomic_helper_damage_iter *iter,
iter->plane_src.y2 = (state->src.y2 >> 16) + !!(state->src.y2 & 0xFFFF);
if (!iter->clips || !drm_rect_equals(&state->src, &old_state->src)) {
- iter->clips = 0;
+ iter->clips = NULL;
iter->num_clips = 0;
iter->full_update = true;
}