drm/vc4: fix itnull.cocci warnings

Connector cannot be null because it is a list entry, ie accessed at an
offset from the positions of the list structure pointers themselves.

Generated by: scripts/coccinelle/iterators/itnull.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 7a9f4768591eabe54877327bbf6c1cc220c6d525..f794c5b6996bde773cd21e4d479fda77adb97046 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -168,7 +168,7 @@ static int vc4_get_clock_select(struct drm_crtc *crtc)
        struct drm_connector *connector;
 
        drm_for_each_connector(connector, crtc->dev) {
-               if (connector && connector->state->crtc == crtc) {
+               if (connector->state->crtc == crtc) {
                        struct drm_encoder *encoder = connector->encoder;
                        struct vc4_encoder *vc4_encoder =
                                to_vc4_encoder(encoder);