modesetting-101: Only store property value when set_property was successful.

1 files changed, 3 insertions, 3 deletions

diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index c984209a..91bff1f6 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -2184,12 +2184,12 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 		}
 	}
 
-	/* store the property value */
-	drm_connector_property_set_value(connector, property, out_resp->value);
-
 	if (connector->funcs->set_property)
 		ret = connector->funcs->set_property(connector, property, out_resp->value);
 
+	/* store the property value if succesful */
+	if (!ret)
+		drm_connector_property_set_value(connector, property, out_resp->value);
 out:
 	mutex_unlock(&dev->mode_config.mutex);
 	return ret;