From 90e2b545ce78516e727ba641e9f2b0703a17da1a Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 25 Jul 2016 14:56:00 -0700 Subject: 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 --- drivers/hwmon/lm75.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 547a9c87c68c..92f9d4bbf597 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -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); -- cgit v1.2.3