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net: usb: hso: use DEVICE_ATTR_RO macro

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Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2021-05-20 21:41:16 +08:00 committed by David S. Miller
parent 48afdaea04
commit 7567d603b3
1 changed files with 3 additions and 4 deletions
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7
drivers/net/usb/hso.c
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@ -457,9 +457,8 @@ static const struct usb_device_id hso_ids[] = {
MODULE_DEVICE_TABLE(usb, hso_ids);
/* Sysfs attribute */
static ssize_t hso_sysfs_show_porttype(struct device *dev,
struct device_attribute *attr,
char *buf)
static ssize_t hsotype_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hso_device *hso_dev = dev_get_drvdata(dev);
char *port_name;
@ -505,7 +504,7 @@ static ssize_t hso_sysfs_show_porttype(struct device *dev,
return sprintf(buf, "%s\n", port_name);
}
static DEVICE_ATTR(hsotype, 0444, hso_sysfs_show_porttype, NULL);
static DEVICE_ATTR_RO(hsotype);
static struct attribute *hso_serial_dev_attrs[] = {
&dev_attr_hsotype.attr,