lkml.org 
[lkml]   [2010]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] hwmon: (ad7414) Return proper error code for ad7414_probe()
From
Date
Return proper error if i2c_check_functionality reports
the adapter does not support the capability we need.

Also remove unneeded initialization for err variable.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/hwmon/ad7414.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index 1e4c21f..86d822a 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -178,11 +178,13 @@ static int ad7414_probe(struct i2c_client *client,
{
struct ad7414_data *data;
int conf;
- int err = 0;
+ int err;

if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
- I2C_FUNC_SMBUS_READ_WORD_DATA))
+ I2C_FUNC_SMBUS_READ_WORD_DATA)) {
+ err = -EOPNOTSUPP;
goto exit;
+ }

data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL);
if (!data) {
--
1.7.2




\
 
 \ /
  Last update: 2010-11-09 02:39    [W:0.030 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site