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authorGuenter Roeck <guenter.roeck@ericsson.com>2012-04-23 10:39:00 -0700
committerGuenter Roeck <guenter.roeck@ericsson.com>2012-05-20 19:41:49 -0700
commit41141e64e63dd250a05218b66c91e125f1020b92 (patch)
tree746bb6545c51543d735e31a78288274a71ffe5ab /drivers/hwmon
parent1137a9a649db818869905b010b120a95a01b0d24 (diff)
hwmon: (ntc_thermistor) Convert to devm_kzalloc
This avoids memory leaks, and makes the code a bit simpler and smaller. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/ntc_thermistor.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 9b382ec2c3bd..4be7faff321b 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -349,7 +349,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
return -EINVAL;
}
- data = kzalloc(sizeof(struct ntc_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct ntc_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -370,8 +370,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
pdev->id_entry->driver_data,
pdev->id_entry->name);
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
platform_set_drvdata(pdev, data);
@@ -379,7 +378,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
ret = sysfs_create_group(&data->dev->kobj, &ntc_attr_group);
if (ret) {
dev_err(data->dev, "unable to create sysfs files\n");
- goto err;
+ return ret;
}
data->hwmon_dev = hwmon_device_register(data->dev);
@@ -395,8 +394,6 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
return 0;
err_after_sysfs:
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
-err:
- kfree(data);
return ret;
}
@@ -408,8 +405,6 @@ static int __devexit ntc_thermistor_remove(struct platform_device *pdev)
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
platform_set_drvdata(pdev, NULL);
- kfree(data);
-
return 0;
}