linux-kernel - [PATCH 1/2] regulator: uniphier: Fix probe error handling

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Date:   Wed, 30 Jan 2019 15:11:09 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH 1/2] regulator: uniphier: Fix probe error handling

Ensure unwind all resources if probe fails.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/uniphier-regulator.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/uniphier-regulator.c b/drivers/regulator/uniphier-regulator.c
index abf22acbd13e..6ba0ae405f2b 100644
--- a/drivers/regulator/uniphier-regulator.c
+++ b/drivers/regulator/uniphier-regulator.c
@@ -87,8 +87,10 @@ static int uniphier_regulator_probe(struct platform_device *pdev)
 	}
 
 	regmap = devm_regmap_init_mmio(dev, base, priv->data->regconf);
-	if (IS_ERR(regmap))
-		return PTR_ERR(regmap);
+	if (IS_ERR(regmap)) {
+		ret = PTR_ERR(regmap);
+		goto out_rst_assert;
+	}
 
 	config.dev = dev;
 	config.driver_data = priv;
-- 
2.17.1