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Subject[PATCH net-next] net: usb: hso: use DEVICE_ATTR_RO macro
Date
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>
---
drivers/net/usb/hso.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 63e394cafc17..d84258c70d0c 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -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,
--
2.17.1
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