linux-kernel - [PATCH v2] mach-keystone: (pm_domain) Add missing of_node

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Message-Id: <20220616040348.3976883-1-windhl@126.com>
Date:   Thu, 16 Jun 2022 12:03:48 +0800
From:   Liang He <windhl@....com>
To:     nm@...com, ssantosh@...nel.org, linux@...linux.org.uk
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        windhl@....com
Subject: [PATCH v2] mach-keystone: (pm_domain) Add missing of_node_put()

In keystone_pm_runtime_init(), of_find_matching_node() will return a
node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.

Signed-off-by: Liang He <windhl@....com>
---
 changelog:

 v2: use real name for Sob
 v1: fix missing bug

 arch/arm/mach-keystone/pm_domain.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c
index 5eea01cbecf0..00c9c0230575 100644
--- a/arch/arm/mach-keystone/pm_domain.c
+++ b/arch/arm/mach-keystone/pm_domain.c
@@ -44,6 +44,7 @@ int __init keystone_pm_runtime_init(void)
 	if (!np)
 		return 0;
 
+	of_node_put(np);
 	pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier);
 
 	return 0;
-- 
2.25.1