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authorJean Delvare <khali@linux-fr.org>2010-08-14 21:08:57 +0200
committerJean Delvare <khali@linux-fr.org>2010-08-14 21:08:57 +0200
commit0d22d5835d4c82d1d03399688267f63334efd526 (patch)
tree345cf761428b93f411a65d8a2970169ff233018e /drivers/hwmon
parent4e7d99e1acddea44be61aee0b934a7ce45d4c3f4 (diff)
hwmon: (pc87427) Minor style cleanups
Follow the best practice of the day. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pc87427.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index a4b1b8b828c5..0ac55ba6c6b8 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -217,9 +217,8 @@ done:
static ssize_t show_fan_input(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%lu\n", fan_from_reg(data->fan[nr]));
}
@@ -227,9 +226,8 @@ static ssize_t show_fan_input(struct device *dev, struct device_attribute
static ssize_t show_fan_min(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%lu\n", fan_from_reg(data->fan_min[nr]));
}
@@ -237,9 +235,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute
static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%d\n", !!(data->fan_status[nr]
& FAN_STATUS_LOSPD));
@@ -248,9 +245,8 @@ static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
static ssize_t show_fan_fault(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%d\n", !!(data->fan_status[nr]
& FAN_STATUS_STALL));
@@ -260,11 +256,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct pc87427_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ unsigned long val;
int iobase = data->address[LD_FAN];
+ if (strict_strtoul(buf, 10, &val) < 0)
+ return -EINVAL;
+
mutex_lock(&data->lock);
outb(BANK_FM(nr), iobase + PC87427_REG_BANK);
/* The low speed limit registers are read-only while monitoring
@@ -441,7 +439,8 @@ static int __devinit pc87427_probe(struct platform_device *pdev)
struct resource *res;
int i, err;
- if (!(data = kzalloc(sizeof(struct pc87427_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct pc87427_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
printk(KERN_ERR DRVNAME ": Out of memory\n");
goto exit;
@@ -464,13 +463,15 @@ static int __devinit pc87427_probe(struct platform_device *pdev)
pc87427_init_device(&pdev->dev);
/* Register sysfs hooks */
- if ((err = device_create_file(&pdev->dev, &dev_attr_name)))
+ err = device_create_file(&pdev->dev, &dev_attr_name);
+ if (err)
goto exit_release_region;
for (i = 0; i < 8; i++) {
if (!(data->fan_enabled & (1 << i)))
continue;
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &pc87427_group_fan[i])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &pc87427_group_fan[i]);
+ if (err)
goto exit_remove_files;
}