linux-kernel - [PATCH] power: supply: lp8788: Fix an error handling path in 'lp8788_charger

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Message-Id: <20200508071150.204974-1-christophe.jaillet@wanadoo.fr>
Date:   Fri,  8 May 2020 09:11:50 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     milo.kim@...com, sre@...nel.org, anton.vorontsov@...aro.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] power: supply: lp8788: Fix an error handling path in 'lp8788_charger_probe()'

In case of error, resources allocated in 'lp8788_setup_adc_channel()' must
be released.

Add a call to 'lp8788_release_adc_channel()' as already done in the remove
function.

Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/power/supply/lp8788-charger.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c
index 84a206f42a8e..641815eb24bc 100644
--- a/drivers/power/supply/lp8788-charger.c
+++ b/drivers/power/supply/lp8788-charger.c
@@ -719,13 +719,17 @@ static int lp8788_charger_probe(struct platform_device *pdev)
 
 	ret = lp8788_psy_register(pdev, pchg);
 	if (ret)
-		return ret;
+		goto err_release_adc_channel;
 
 	ret = lp8788_irq_register(pdev, pchg);
 	if (ret)
 		dev_warn(dev, "failed to register charger irq: %d\n", ret);
 
 	return 0;
+
+err_release_adc_channel:
+	lp8788_release_adc_channel(pchg);
+	return ret;
 }
 
 static int lp8788_charger_remove(struct platform_device *pdev)
-- 
2.25.1