[PATCH 3/5] iio: adc: vf610: Disable the regulator on error

[Fabio Estevam <festevam@gmail.com>]

From: Fabio Estevam <fabio.estevam@freescale.com>

If clk_prepare_enable() fails we should disable the regulator that was 
previously enabled.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 drivers/iio/adc/vf610_adc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index a9c41ec..ae56753 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -680,11 +680,15 @@ static int vf610_adc_resume(struct device *dev)
 
 	ret = clk_prepare_enable(info->clk);
 	if (ret)
-		return ret;
+		goto disable_reg;
 
 	vf610_adc_hw_init(info);
 
 	return 0;
+
+disable_reg:
+	regulator_disable(info->vref);
+	return ret;
 }
 #endif
 
-- 
1.9.1