linux-kernel - [PATCH] Loongarch: Fix device node refcount leak in fdt_cpu_clk

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20250319025413.67014-1-linmq006@gmail.com>
Date: Wed, 19 Mar 2025 10:54:10 +0800
From: Miaoqian Lin <linmq006@...il.com>
To: Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Binbin Zhou <zhoubinbin@...ngson.cn>,
	Hongliang Wang <wanghongliang@...ngson.cn>,
	loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: linmq006@...il.com
Subject: [PATCH] Loongarch: Fix device node refcount leak in fdt_cpu_clk_init

Add missing of_node_put() to properly handle the reference count of the
device node obtained from of_get_cpu_node().

Fixes: 44a01f1f726a ("LoongArch: Parsing CPU-related information from DTS")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 arch/loongarch/kernel/env.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/loongarch/kernel/env.c b/arch/loongarch/kernel/env.c
index 2f1f5b08638f..01aea44cf4b0 100644
--- a/arch/loongarch/kernel/env.c
+++ b/arch/loongarch/kernel/env.c
@@ -68,6 +68,7 @@ static int __init fdt_cpu_clk_init(void)
 		return -ENODEV;
 
 	clk = of_clk_get(np, 0);
+	of_node_put(np);
 	if (IS_ERR(clk))
 		return -ENODEV;
 
-- 
2.39.5 (Apple Git-154)