linux-kernel - [PATCH] mips: mti-malta: Fix refcount leak in malta-time.c

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Message-Id: <20220616142756.3987475-1-windhl@126.com>
Date:   Thu, 16 Jun 2022 22:27:56 +0800
From:   Liang He <windhl@....com>
To:     tsbogend@...ha.franken.de
Cc:     windhl@....com, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mips: mti-malta: Fix refcount leak in malta-time.c

In update_gic_frequency_dt(), of_find_compatible_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>
---
 arch/mips/mti-malta/malta-time.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index bbf1e38e1431..2cb708cdf01a 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -214,6 +214,8 @@ static void update_gic_frequency_dt(void)
 
 	if (of_update_property(node, &gic_frequency_prop) < 0)
 		pr_err("error updating gic frequency property\n");
+
+	of_node_put(node);
 }
 
 #endif
-- 
2.25.1