linux-kernel - [PATCH] mips: ralink: Fix refcount leak in of.c

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Message-Id: <20220617033929.4002832-1-windhl@126.com>
Date:   Fri, 17 Jun 2022 11:39:29 +0800
From:   Liang He <windhl@....com>
To:     john@...ozen.org, tsbogend@...ha.franken.de
Cc:     windhl@....com, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mips: ralink: Fix refcount leak in of.c

In plat_of_remap_node(), plat_of_remap_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/ralink/of.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 587c7b998769..ea8072acf8d9 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -40,6 +40,8 @@ __iomem void *plat_of_remap_node(const char *node)
 	if (of_address_to_resource(np, 0, &res))
 		panic("Failed to get resource for %s", node);
 
+	of_node_put(np);
+
 	if (!request_mem_region(res.start,
 				resource_size(&res),
 				res.name))
-- 
2.25.1