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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de,
	pmeerw@pmeerw.net, sre@kernel.org, wsa@the-dreams.de,
	kishon@ti.com
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: [PATCH 2/3] iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_
Date: Sat, 23 Sep 2017 06:06:19 +0000
Message-ID: <6bb9b8b3cba56c9cd201d4f025831ef776fbfef1.1506146101.git.christophe.jaillet@wanadoo.fr> (raw)
In-Reply-To: <4bcd315895de7135369e6e0d2402fc2794f2ee99.1506146101.git.christophe.jaillet@wanadoo.fr>

Commit 7cc97d77ee8a has introduced a call to 'regulator_disable()' in the
.remove function.
So we should also have such a call in the .probe function in case of
error after a successful 'regulator_enable()' call.

Add a new label for that and use it.

Fixes: 7cc97d77ee8a ("iio: adc: twl4030: Fix ADC[3:6] readings")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/iio/adc/twl4030-madc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 80ab2ed70b85..32db23d9a483 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -899,11 +899,13 @@ static int twl4030_madc_probe(struct platform_device *pdev)
 	ret = iio_device_register(iio_dev);
 	if (ret) {
 		dev_err(&pdev->dev, "could not register iio device\n");
-		goto err_i2c;
+		goto err_usb3v1;
 	}
 
 	return 0;
 
+err_usb3v1:
+	regulator_disable(madc->usb3v1);
 err_i2c:
 	twl4030_madc_set_current_generator(madc, 0, 0);
 err_current_generator:
-- 
2.11.0


  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-23  6:03 [PATCH 0/3] iio: adc: twl4030: Fix some error handling issues in 'twl4030_madc_probe()' Christophe JAILLET
2017-09-23  6:06 ` [PATCH 1/3] iio: adc: twl4030: Fix an error handling path " Christophe JAILLET
2017-09-23  6:06   ` Christophe JAILLET [this message]
2017-09-24 12:00     ` [PATCH 2/3] iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4 Jonathan Cameron
2017-09-23  6:06   ` [PATCH 3/3] iio: adc: twl4030: Return an error if we can not enable the vusb3v1 regulator in 'twl403 Christophe JAILLET
2017-09-24 12:05     ` [PATCH 3/3] iio: adc: twl4030: Return an error if we can not enable the vusb3v1 regulator in 'tw Jonathan Cameron
2017-09-24 11:58   ` [PATCH 1/3] iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()' Jonathan Cameron

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