[PATCH 1/1] drm/nouveau: fix error return code in nouveau_backlight_init()

[Zhen Lei]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: db1a0ae21461 ("drm/nouveau/bl: Assign different names to interfaces")
Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen at huawei.com>
---
 drivers/gpu/drm/nouveau/nouveau_backlight.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 72f35a2babcb..097ca344a086 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -273,6 +273,7 @@ nouveau_backlight_init(struct drm_connector *connector)
 		return -ENOMEM;
 
 	if (!nouveau_get_backlight_name(backlight_name, bl)) {
+		ret = -ENOSPC;
 		NV_ERROR(drm, "Failed to retrieve a unique name for the backlight interface\n");
 		goto fail_alloc;
 	}
-- 
2.25.1