linux-kernel - [PATCH 2/3] PCI: pnv_php: Simplify with scoped for each OF child loop

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Message-ID: <20260102124900.64528-5-krzysztof.kozlowski@oss.qualcomm.com>
Date: Fri,  2 Jan 2026 13:49:02 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Pali Rohár <pali@...nel.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kwilczynski@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>,
        Tyrel Datwyler <tyreld@...ux.ibm.com>, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH 2/3] PCI: pnv_php: Simplify with scoped for each OF child loop

Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
---
 drivers/pci/hotplug/pnv_php.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index c5345bff9a55..0d80bee284e0 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -215,24 +215,19 @@ static void pnv_php_reverse_nodes(struct device_node *parent)
 static int pnv_php_populate_changeset(struct of_changeset *ocs,
 				      struct device_node *dn)
 {
-	struct device_node *child;
-	int ret = 0;
+	int ret;
 
-	for_each_child_of_node(dn, child) {
+	for_each_child_of_node_scoped(dn, child) {
 		ret = of_changeset_attach_node(ocs, child);
-		if (ret) {
-			of_node_put(child);
-			break;
-		}
+		if (ret)
+			return ret;
 
 		ret = pnv_php_populate_changeset(ocs, child);
-		if (ret) {
-			of_node_put(child);
-			break;
-		}
+		if (ret)
+			return ret;
 	}
 
-	return ret;
+	return 0;
 }
 
 static void *pnv_php_add_one_pdn(struct device_node *dn, void *data)
-- 
2.51.0