linux-kernel - [PATCH 4.14 066/189] remoteproc: qcom: Fix potential device node leaks

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Message-Id: <20180618081211.956190998@linuxfoundation.org>
Date:   Mon, 18 Jun 2018 10:12:42 +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,
        Tobias Jordan <Tobias.Jordan@...ktrobit.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 066/189] remoteproc: qcom: Fix potential device node leaks

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tobias Jordan <Tobias.Jordan@...ktrobit.com>

[ Upstream commit 278d744c46fd4f1925aec77752d18a0e4a9cbec3 ]

Add missing of_node_put()s at two places for device nodes returned by
of_parse_phandle().

Fixes: 051fb70fd4ea ("remoteproc: qcom: Driver for the self-authenticating
 Hexagon v5")
Signed-off-by: Tobias Jordan <Tobias.Jordan@...ktrobit.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/remoteproc/qcom_q6v5_pil.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -915,6 +915,7 @@ static int q6v5_alloc_memory_region(stru
 		dev_err(qproc->dev, "unable to resolve mba region\n");
 		return ret;
 	}
+	of_node_put(node);
 
 	qproc->mba_phys = r.start;
 	qproc->mba_size = resource_size(&r);
@@ -932,6 +933,7 @@ static int q6v5_alloc_memory_region(stru
 		dev_err(qproc->dev, "unable to resolve mpss region\n");
 		return ret;
 	}
+	of_node_put(node);
 
 	qproc->mpss_phys = qproc->mpss_reloc = r.start;
 	qproc->mpss_size = resource_size(&r);