[PATCH -next 3/5] drm: of: Use for_each_child_of_node_scoped()

[Jinjie Ruan]

Avoids the need for manual cleanup of_node_put() in early exits
from the loop.

Signed-off-by: Jinjie Ruan <ruanjin...@huawei.com>
---
 drivers/gpu/drm/drm_of.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index 177b600895d3..41d9288c97a7 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -304,10 +304,9 @@ static int drm_of_lvds_get_port_pixels_type(struct 
device_node *port_node)
 static int drm_of_lvds_get_remote_pixels_type(
                        const struct device_node *port_node)
 {
-       struct device_node *endpoint = NULL;
        int pixels_type = -EPIPE;
 
-       for_each_child_of_node(port_node, endpoint) {
+       for_each_child_of_node_scoped(port_node, endpoint) {
                struct device_node *remote_port;
                int current_pt;
 
@@ -315,10 +314,8 @@ static int drm_of_lvds_get_remote_pixels_type(
                        continue;
 
                remote_port = of_graph_get_remote_port(endpoint);
-               if (!remote_port) {
-                       of_node_put(endpoint);
+               if (!remote_port)
                        return -EPIPE;
-               }
 
                current_pt = drm_of_lvds_get_port_pixels_type(remote_port);
                of_node_put(remote_port);
@@ -332,10 +329,8 @@ static int drm_of_lvds_get_remote_pixels_type(
                 * configurations by passing the endpoints explicitly to
                 * drm_of_lvds_get_dual_link_pixel_order().
                 */
-               if (!current_pt || pixels_type != current_pt) {
-                       of_node_put(endpoint);
+               if (!current_pt || pixels_type != current_pt)
                        return -EINVAL;
-               }
        }
 
        return pixels_type;
-- 
2.34.1