linux-kernel - [PATCH] arch: arm: mach-versatile: Add missing of_node

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Date:   Wed, 15 Jun 2022 17:29:58 +0800
From:   heliang <windhl@....com>
To:     linus.walleij@...aro.org, linux@...linux.org.uk
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        windhl@....com
Subject: [PATCH] arch: arm: mach-versatile: Add missing of_node_put()

In vexpress_smp_dt_prepare_cpus(), 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: heliang <windhl@....com>
---
 arch/arm/mach-versatile/platsmp-vexpress.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-versatile/platsmp-vexpress.c b/arch/arm/mach-versatile/platsmp-vexpress.c
index 1ee3c45e71c9..459b5870de59 100644
--- a/arch/arm/mach-versatile/platsmp-vexpress.c
+++ b/arch/arm/mach-versatile/platsmp-vexpress.c
@@ -66,6 +66,8 @@ static void __init vexpress_smp_dt_prepare_cpus(unsigned int max_cpus)
 
 	if (scu)
 		scu_enable(of_iomap(scu, 0));
+	
+	of_node_put(scu);
 
 	/*
 	 * Write the address of secondary startup into the
-- 
2.25.1