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authorGuenter Roeck <linux@roeck-us.net>2016-07-26 00:53:23 +0300
committerGuenter Roeck <linux@roeck-us.net>2016-08-01 01:02:51 +0300
commitc5fcf01bcfceb245da575cc5bfa4391642649f2d (patch)
tree063486384b5e7a77d4b6db06fa9f8e05f85ae85e /drivers/hwmon/lm90.c
parentbe9d6374a76ffbeda783a5bdcb00e219c7bda2d0 (diff)
downloadlinux-c5fcf01bcfceb245da575cc5bfa4391642649f2d.tar.xz
hwmon: (lm90) Improve error handling
Replace devm_add_action() with devm_add_action_or_reset(), and check its return value. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/lm90.c')
-rw-r--r--drivers/hwmon/lm90.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 7b3eedf76c62..fa15f7238a28 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1551,9 +1551,7 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
if (config != data->config_orig) /* Only write if changed */
i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config);
- devm_add_action(&client->dev, lm90_restore_conf, data);
-
- return 0;
+ return devm_add_action_or_reset(&client->dev, lm90_restore_conf, data);
}
static bool lm90_is_tripped(struct i2c_client *client, u16 *status)
@@ -1640,7 +1638,9 @@ static int lm90_probe(struct i2c_client *client,
return err;
}
- devm_add_action(dev, lm90_regulator_disable, regulator);
+ err = devm_add_action_or_reset(dev, lm90_regulator_disable, regulator);
+ if (err)
+ return err;
data = devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL);
if (!data)
@@ -1696,7 +1696,9 @@ static int lm90_probe(struct i2c_client *client,
err = device_create_file(dev, &dev_attr_pec);
if (err)
return err;
- devm_add_action(dev, lm90_remove_pec, dev);
+ err = devm_add_action_or_reset(dev, lm90_remove_pec, dev);
+ if (err)
+ return err;
}
hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,