linux-kernel - [PATCH AUTOSEL 5.13 125/189] net: ipa: Add missing of_node_put() in ipa_firmware

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Message-Id: <20210706111409.2058071-125-sashal@kernel.org>
Date:   Tue,  6 Jul 2021 07:13:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Yang Yingliang <yangyingliang@...wei.com>,
        Hulk Robot <hulkci@...wei.com>, Alex Elder <elder@...aro.org>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 5.13 125/189] net: ipa: Add missing of_node_put() in ipa_firmware_load()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit b244163f2c45c12053cb0291c955f892e79ed8a9 ]

This node pointer is returned by of_parse_phandle() with refcount
incremented in this function. of_node_put() on it before exiting
this function.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Acked-by: Alex Elder <elder@...aro.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ipa/ipa_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 9915603ed10b..c4ad5f20496e 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -529,6 +529,7 @@ static int ipa_firmware_load(struct device *dev)
 	}
 
 	ret = of_address_to_resource(node, 0, &res);
+	of_node_put(node);
 	if (ret) {
 		dev_err(dev, "error %d getting \"memory-region\" resource\n",
 			ret);
-- 
2.30.2