Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Liang He <windhl@126.com>,
        Peter Rosin <peda@axentia.se>, Wolfram Sang <wsa@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 089/229] i2c: mux-gpmux: Add of_node_put() when breaking out of loop
Date:   Tue, 23 Aug 2022 10:24:10 +0200
Message-Id: <20220823080056.892342856@linuxfoundation.org>
In-Reply-To: <20220823080053.202747790@linuxfoundation.org>
References: <20220823080053.202747790@linuxfoundation.org>
User-Agent: quilt/0.67
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Liang He <windhl@126.com>

[ Upstream commit 6435319c34704994e19b0767f6a4e6f37439867b ]

In i2c_mux_probe(), we should call of_node_put() when breaking out
of for_each_child_of_node() which will automatically increase and
decrease the refcount.

Fixes: ac8498f0ce53 ("i2c: i2c-mux-gpmux: new driver")
Signed-off-by: Liang He <windhl@126.com>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/muxes/i2c-mux-gpmux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index 92cf5f48afe6..5053f1675a29 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -141,6 +141,7 @@ static int i2c_mux_probe(struct platform_device *pdev)
 	return 0;
 
 err_children:
+	of_node_put(child);
 	i2c_mux_del_adapters(muxc);
 err_parent:
 	i2c_put_adapter(parent);
-- 
2.35.1