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hwmon: (ads7828) Check return value of devm_regmap_init_i2c

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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>
This commit is contained in:
Axel Lin 2015-02-10 18:24:07 +08:00 committed by Guenter Roeck
parent c517d838eb
commit d9ef72cd1c
1 changed files with 3 additions and 0 deletions
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3
drivers/hwmon/ads7828.c
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@ -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;