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| author |   Axel Lin <axel.lin@ingics.com> | 2015-02-10 18:24:07 +0800 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2015-02-22 20:10:30 -0800 |
| commit | d9ef72cd1c15c2fc1f7131cd78304dd21bc15953 (patch) | |
| tree | 25b8d09b85c64ccad5ded9a2f8b5bf2dab710790 /drivers/hwmon/ads7828.c | |
| parent | Linux 4.0-rc1 (diff) | |
| download | linux-dev-d9ef72cd1c15c2fc1f7131cd78304dd21bc15953.tar.xz linux-dev-d9ef72cd1c15c2fc1f7131cd78304dd21bc15953.zip | |
hwmon: (ads7828) Check return value of devm_regmap_init_i2c
devm_regmap_init_i2c() can fail, thus add return value checking.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ads7828.c')
| -rw-r--r-- | drivers/hwmon/ads7828.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index bce4e9ff21bf..6c99ee7bafa3 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -147,6 +147,9 @@ static int ads7828_probe(struct i2c_client *client, &ads2830_regmap_config); } + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + data->cmd_byte = ext_vref ? ADS7828_CMD_PD1 : ADS7828_CMD_PD3; if (!diff_input) data->cmd_byte |= ADS7828_CMD_SD_SE; |