[-next,v2] drm: of: Use for_each_child_of_node_scoped()

Commit Message

Jinjie Ruan Aug. 30, 2024, 7:40 a.m. UTC

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

Signed-off-by: Jinjie Ruan <[e-mail]>
---
v2:
- Split out from the PATCH set.
---
 drivers/gpu/drm/drm_of.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

Patch

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;