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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Krzysztof Kozlowski <krzk@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 128/247] regulator: s5m8767: Drop regulators OF node reference
Date:   Mon,  1 Mar 2021 17:12:28 +0100
Message-Id: <20210301161037.942433857@linuxfoundation.org>
In-Reply-To: <20210301161031.684018251@linuxfoundation.org>
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From: Krzysztof Kozlowski <krzk@kernel.org>

[ Upstream commit a5872bd3398d0ff2ce4c77794bc7837899c69024 ]

The device node reference obtained with of_get_child_by_name() should be
dropped on error paths.

Fixes: 26aec009f6b6 ("regulator: add device tree support for s5m8767")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210121155914.48034-1-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/regulator/s5m8767.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 667d16dc83ce1..7ff94695eee72 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -548,14 +548,18 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
 	rdata = devm_kcalloc(&pdev->dev,
 			     pdata->num_regulators, sizeof(*rdata),
 			     GFP_KERNEL);
-	if (!rdata)
+	if (!rdata) {
+		of_node_put(regulators_np);
 		return -ENOMEM;
+	}
 
 	rmode = devm_kcalloc(&pdev->dev,
 			     pdata->num_regulators, sizeof(*rmode),
 			     GFP_KERNEL);
-	if (!rmode)
+	if (!rmode) {
+		of_node_put(regulators_np);
 		return -ENOMEM;
+	}
 
 	pdata->regulators = rdata;
 	pdata->opmode = rmode;
-- 
2.27.0