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path: root/drivers/hwmon/sht21.c
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Diffstat (limited to 'drivers/hwmon/sht21.c')
-rw-r--r--drivers/hwmon/sht21.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
index 6c2dede4b8e7..5f67546950b1 100644
--- a/drivers/hwmon/sht21.c
+++ b/drivers/hwmon/sht21.c
@@ -29,6 +29,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/device.h>
+#include <linux/jiffies.h>
/* I2C command bytes */
#define SHT21_TRIG_T_MEASUREMENT_HM 0xe3
@@ -199,11 +200,10 @@ static int __devinit sht21_probe(struct i2c_client *client,
return -ENODEV;
}
- sht21 = kzalloc(sizeof(*sht21), GFP_KERNEL);
- if (!sht21) {
- dev_dbg(&client->dev, "kzalloc failed\n");
+ sht21 = devm_kzalloc(&client->dev, sizeof(*sht21), GFP_KERNEL);
+ if (!sht21)
return -ENOMEM;
- }
+
i2c_set_clientdata(client, sht21);
mutex_init(&sht21->lock);
@@ -211,7 +211,7 @@ static int __devinit sht21_probe(struct i2c_client *client,
err = sysfs_create_group(&client->dev.kobj, &sht21_attr_group);
if (err) {
dev_dbg(&client->dev, "could not create sysfs files\n");
- goto fail_free;
+ return err;
}
sht21->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(sht21->hwmon_dev)) {
@@ -226,9 +226,6 @@ static int __devinit sht21_probe(struct i2c_client *client,
fail_remove_sysfs:
sysfs_remove_group(&client->dev.kobj, &sht21_attr_group);
-fail_free:
- kfree(sht21);
-
return err;
}
@@ -242,7 +239,6 @@ static int __devexit sht21_remove(struct i2c_client *client)
hwmon_device_unregister(sht21->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &sht21_attr_group);
- kfree(sht21);
return 0;
}