linux-kernel - [PATCH AUTOSEL 4.9 36/62] MIPS: Octeon: add missing of_node

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Message-ID: <20180902131411.183978-26-alexander.levin@microsoft.com>
Date:   Sun, 2 Sep 2018 13:14:49 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Nicholas Mc Guire <hofrat@...dl.org>,
        Paul Burton <paul.burton@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.9 36/62] MIPS: Octeon: add missing of_node_put()

From: Nicholas Mc Guire <hofrat@...dl.org>

[ Upstream commit b1259519e618d479ede8a0db5474b3aff99f5056 ]

The call to of_find_node_by_name returns a node pointer with refcount
incremented thus it must be explicitly decremented here after the last
usage.

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
Signed-off-by: Paul Burton <paul.burton@...s.com>
Patchwork: https://patchwork.linux-mips.org/patch/19558/
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <jhogan@...nel.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 arch/mips/cavium-octeon/octeon-platform.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 37a932d9148c..1ba6bcf98570 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -366,6 +366,7 @@ static int __init octeon_ehci_device_init(void)
 		return 0;
 
 	pd = of_find_device_by_node(ehci_node);
+	of_node_put(ehci_node);
 	if (!pd)
 		return 0;
 
@@ -428,6 +429,7 @@ static int __init octeon_ohci_device_init(void)
 		return 0;
 
 	pd = of_find_device_by_node(ohci_node);
+	of_node_put(ohci_node);
 	if (!pd)
 		return 0;
 
-- 
2.17.1