linux-kernel - [PATCH -next 04/12] mtd: rawnand: cadence: Use for_each_child_of_node

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Message-ID: <20240826082847.2591036-5-ruanjinjie@huawei.com>
Date: Mon, 26 Aug 2024 16:28:39 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <lee@...nel.org>, <linux-kernel@...r.kernel.org>, <krzk@...nel.org>,
	<jic23@...nel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next 04/12] mtd: rawnand: cadence: Use for_each_child_of_node_scoped()

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

Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
 drivers/mtd/nand/raw/cadence-nand-controller.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/cadence-nand-controller.c b/drivers/mtd/nand/raw/cadence-nand-controller.c
index ff92c17def83..3bc89b356963 100644
--- a/drivers/mtd/nand/raw/cadence-nand-controller.c
+++ b/drivers/mtd/nand/raw/cadence-nand-controller.c
@@ -2836,7 +2836,6 @@ static void cadence_nand_chips_cleanup(struct cdns_nand_ctrl *cdns_ctrl)
 static int cadence_nand_chips_init(struct cdns_nand_ctrl *cdns_ctrl)
 {
 	struct device_node *np = cdns_ctrl->dev->of_node;
-	struct device_node *nand_np;
 	int max_cs = cdns_ctrl->caps2.max_banks;
 	int nchips, ret;
 
@@ -2849,10 +2848,9 @@ static int cadence_nand_chips_init(struct cdns_nand_ctrl *cdns_ctrl)
 		return -EINVAL;
 	}
 
-	for_each_child_of_node(np, nand_np) {
+	for_each_child_of_node_scoped(np, nand_np) {
 		ret = cadence_nand_chip_init(cdns_ctrl, nand_np);
 		if (ret) {
-			of_node_put(nand_np);
 			cadence_nand_chips_cleanup(cdns_ctrl);
 			return ret;
 		}
-- 
2.34.1