lkml.org 
[lkml]   [2012]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 1/6] iio: adc: ad7266: Don't set error code to st->vref_uv
From
Date
regulator_get_voltage() may return negative error code.
Add error checking to avoid setting error code to st->vref_uv.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/iio/adc/ad7266.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index a6f4fc5..e36107d 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -411,7 +411,11 @@ static int __devinit ad7266_probe(struct spi_device *spi)
if (ret)
goto error_put_reg;

- st->vref_uv = regulator_get_voltage(st->reg);
+ ret = regulator_get_voltage(st->reg);
+ if (ret < 0)
+ goto error_disable_reg;
+
+ st->vref_uv = ret;
} else {
/* Use internal reference */
st->vref_uv = 2500000;
--
1.7.9.5




\
 
 \ /
  Last update: 2012-12-14 09:21    [W:0.248 / U:0.996 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site