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hwmon: (lm75) Improve error handling 

Use devm_add_action_or_reset() instead of devm_add_action(), and
check its return value.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2016-07-25 14:56:00 -07:00
parent c5fcf01bcf
commit 90e2b545ce
1 changed files with 4 additions and 2 deletions
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6
drivers/hwmon/lm75.c
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@ -220,7 +220,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
struct device *dev = &client->dev;
struct device *hwmon_dev;
struct lm75_data *data;
int status;
int status, err;
u8 set_mask, clr_mask;
int new;
enum lm75_type kind = id->driver_data;
@ -331,7 +331,9 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (status != new)
i2c_smbus_write_byte_data(client, LM75_REG_CONF, new);
devm_add_action(dev, lm75_remove, data);
err = devm_add_action_or_reset(dev, lm75_remove, data);
if (err)
return err;
dev_dbg(dev, "Config %02x\n", new);