[PATCH -next] drm/logicvc: Fix error return code in logicvc_layer_init()

[Yang Yingliang]

Fix error return code when logicvc_layer_formats_lookup() fails.

Fixes: efeeaefe9be5 ("drm: Add support for the LogiCVC display controller")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
 drivers/gpu/drm/logicvc/logicvc_layer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/logicvc/logicvc_layer.c b/drivers/gpu/drm/logicvc/logicvc_layer.c
index fbebe966f93a..54b5931d879f 100644
--- a/drivers/gpu/drm/logicvc/logicvc_layer.c
+++ b/drivers/gpu/drm/logicvc/logicvc_layer.c
@@ -489,6 +489,7 @@ static int logicvc_layer_init(struct logicvc_drm *logicvc,
 
 	formats = logicvc_layer_formats_lookup(layer);
 	if (!formats) {
+		ret = -EINVAL;
 		drm_err(drm_dev, "Failed to lookup formats for layer #%d\n",
 			index);
 		goto error;
-- 
2.25.1