iio: adc: vf610: Disable the regulator on error

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

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index ebb73f5d3c3a..767e9b975f00 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -704,11 +704,15 @@ 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