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Fix resource leak as well as broken store function in emc1403 driver,

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and add support for additional chip revisions.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Fix resource leak as well as broken store function in emc1403 driver,
  and add support for additional chip revisions"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (emc1403) Support full range of known chip revision numbers
  hwmon: (emc1403) Fix resource leak on module unload
  hwmon: (emc1403) fix inverted store_hyst()
This commit is contained in:
Linus Torvalds 2014-05-13 11:28:52 +09:00
parent 68cb363a4d 3a18e1398f
commit 77d92784b4
1 changed files with 5 additions and 5 deletions
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10
drivers/hwmon/emc1403.c
View file

@ -163,7 +163,7 @@ static ssize_t store_hyst(struct device *dev,
if (retval < 0)
goto fail;
hyst = val - retval * 1000;
hyst = retval * 1000 - val;
hyst = DIV_ROUND_CLOSEST(hyst, 1000);
if (hyst < 0 || hyst > 255) {
retval = -ERANGE;
@ -330,7 +330,7 @@ static int emc1403_detect(struct i2c_client *client,
}
id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG);
if (id != 0x01)
if (id < 0x01 || id > 0x04)
return -ENODEV;
return 0;
@ -355,9 +355,9 @@ static int emc1403_probe(struct i2c_client *client,
if (id->driver_data)
data->groups[1] = &emc1404_group;
hwmon_dev = hwmon_device_register_with_groups(&client->dev,
client->name, data,
data->groups);
hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
client->name, data,
data->groups);
if (IS_ERR(hwmon_dev))
return PTR_ERR(hwmon_dev);