linux-kernel - [PATCH v2] mach-versatile: (platsmp-vexpress) Add missing of_node

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Message-Id: <20220616035911.3976600-1-windhl@126.com>
Date:   Thu, 16 Jun 2022 11:59:11 +0800
From:   Liang He <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 v2] mach-versatile: (platsmp-vexpress) 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: Liang He <windhl@....com>
---
 changelog:

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

 arch/arm/mach-versatile/platsmp-vexpress.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-versatile/platsmp-vexpress.c b/arch/arm/mach-versatile/platsmp-vexpress.c
index 1ee3c45e71c9..d9a7394a00bf 100644
--- a/arch/arm/mach-versatile/platsmp-vexpress.c
+++ b/arch/arm/mach-versatile/platsmp-vexpress.c
@@ -67,6 +67,7 @@ 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
 	 * system-wide flags register. The boot monitor waits
-- 
2.25.1