From: Gong Yuanjun <ruc_gongyuanjun@163.com>
Date: Thu, 7 Apr 2022 04:26:57 +0000 (+0800)
Subject: mips: cpc: Fix refcount leak in mips_cpc_default_phys_base
X-Git-Tag: v4.19.247~62
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=961ee8a6eeef4632a215d995d837b204f8c7c2d4;p=thirdparty%2Fkernel%2Fstable.git

mips: cpc: Fix refcount leak in mips_cpc_default_phys_base

[ Upstream commit 4107fa700f314592850e2c64608f6ede4c077476 ]

Add the missing of_node_put() to release the refcount incremented
by of_find_compatible_node().

Signed-off-by: Gong Yuanjun <ruc_gongyuanjun@163.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index fcf9af492d602..cf46502c605e6 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c
@@ -31,6 +31,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void)
 	cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc");
 	if (cpc_node) {
 		err = of_address_to_resource(cpc_node, 0, &res);
+		of_node_put(cpc_node);
 		if (!err)
 			return res.start;
 	}