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Message-Id: <20220607164916.331179809@linuxfoundation.org>
Date:   Tue,  7 Jun 2022 19:01:58 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 261/452] soc: qcom: smp2p: Fix missing of_node_put() in smp2p_parse_ipc

From: Miaoqian Lin <linmq006@...il.com>

[ Upstream commit 8fd3f18ea31a398ecce4a6d3804433658678b0a3 ]

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: 50e99641413e ("soc: qcom: smp2p: Qualcomm Shared Memory Point to Point")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Link: https://lore.kernel.org/r/20220308071942.22942-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/soc/qcom/smp2p.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
index a9709aae54ab..fb76c8bc3c64 100644
--- a/drivers/soc/qcom/smp2p.c
+++ b/drivers/soc/qcom/smp2p.c
@@ -420,6 +420,7 @@ static int smp2p_parse_ipc(struct qcom_smp2p *smp2p)
 	}
 
 	smp2p->ipc_regmap = syscon_node_to_regmap(syscon);
+	of_node_put(syscon);
 	if (IS_ERR(smp2p->ipc_regmap))
 		return PTR_ERR(smp2p->ipc_regmap);
 
-- 
2.35.1



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