[PATCH 3/3] drm/ast: Fail if connector initialization fails

[Thomas Zimmermann]

Update the connector code to fail if the connector could not be
initialized. The current code just ignored the error and failed
later when the connector was supposed to be used.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/ast/ast_mode.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index a84dced95440..c988991cad33 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1319,18 +1319,21 @@ static int ast_connector_init(struct drm_device *dev)
 	struct ast_connector *ast_connector = &ast->connector;
 	struct drm_connector *connector = &ast_connector->base;
 	struct drm_encoder *encoder = &ast->encoder;
+	int ret;
 
 	ast_connector->i2c = ast_i2c_create(dev);
 	if (!ast_connector->i2c)
 		drm_err(dev, "failed to add ddc bus for connector\n");
 
 	if (ast_connector->i2c)
-		drm_connector_init_with_ddc(dev, connector, &ast_connector_funcs,
-					    DRM_MODE_CONNECTOR_VGA,
-					    &ast_connector->i2c->adapter);
+		ret = drm_connector_init_with_ddc(dev, connector, &ast_connector_funcs,
+						  DRM_MODE_CONNECTOR_VGA,
+						  &ast_connector->i2c->adapter);
 	else
-		drm_connector_init(dev, connector, &ast_connector_funcs,
-				   DRM_MODE_CONNECTOR_VGA);
+		ret = drm_connector_init(dev, connector, &ast_connector_funcs,
+					 DRM_MODE_CONNECTOR_VGA);
+	if (ret)
+		return ret;
 
 	drm_connector_helper_add(connector, &ast_connector_helper_funcs);
 
-- 
2.34.0