GPU-DRM: Delete unnecessary checks before drm_property_unreference_blob()

The drm_property_unreference_blob() function tests whether its argument
is NULL and then returns immediately.
Thus the tests around the calls are not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: http://patchwork.freedesktop.org/patch/msgid/563C8B3E.405@users.sourceforge.net
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index aeee083c7f95..91825e661977 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -316,8 +316,7 @@ int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,
         if (mode && memcmp(&state->mode, mode, sizeof(*mode)) == 0)
                 return 0;
 
-        if (state->mode_blob)
-                drm_property_unreference_blob(state->mode_blob);
+        drm_property_unreference_blob(state->mode_blob);
         state->mode_blob = NULL;
 
         if (mode) {
@@ -363,8 +362,7 @@ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
         if (blob == state->mode_blob)
                 return 0;
 
-        if (state->mode_blob)
-                drm_property_unreference_blob(state->mode_blob);
+        drm_property_unreference_blob(state->mode_blob);
         state->mode_blob = NULL;
 
         if (blob) {
@@ -419,8 +417,7 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
                 struct drm_property_blob *mode =
                         drm_property_lookup_blob(dev, val);
                 ret = drm_atomic_set_mode_prop_for_crtc(state, mode);
-                if (mode)
-                        drm_property_unreference_blob(mode);
+                drm_property_unreference_blob(mode);
                 return ret;
         }
         else if (crtc->funcs->atomic_set_property)