From: Jingoo Han <jg1.han@samsung.com>
Date: Wed, 20 Mar 2013 04:07:38 +0000 (+1100)
Subject: drivers-video-backlight-l4f00242t03c-check-return-value-of-regulator_enable-fix
X-Git-Tag: next-20130321~2^2~281
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2ac89398f813d4eab4b6fa055551bcf68fc0ccf8;p=karo-tx-linux.git

drivers-video-backlight-l4f00242t03c-check-return-value-of-regulator_enable-fix

- Added regulator_disable() for IO regulator before returning

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 8d54c3c10807..a35a38c709cf 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -69,11 +69,13 @@ static void l4f00242t03_lcd_init(struct spi_device *spi)
 	ret = regulator_set_voltage(priv->core_reg, 2800000, 2800000);
 	if (ret) {
 		dev_err(&spi->dev, "failed to set the core regulator voltage.\n");
+		regulator_disable(priv->io_reg);
 		return;
 	}
 	ret = regulator_enable(priv->core_reg);
 	if (ret) {
 		dev_err(&spi->dev, "failed to enable the core regulator.\n");
+		regulator_disable(priv->io_reg);
 		return;
 	}