提交 598d0361 编写于 作者: G Greg Kroah-Hartman

USB: core: use DRIVER_ATTR_RW()

Use DRIVER_ATTR_RW() to make it easier to audit sysfs file permissions.
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 3bbc47d8
......@@ -94,34 +94,27 @@ ssize_t usb_show_dynids(struct usb_dynids *dynids, char *buf)
}
EXPORT_SYMBOL_GPL(usb_show_dynids);
static ssize_t show_dynids(struct device_driver *driver, char *buf)
static ssize_t new_id_show(struct device_driver *driver, char *buf)
{
struct usb_driver *usb_drv = to_usb_driver(driver);
return usb_show_dynids(&usb_drv->dynids, buf);
}
static ssize_t store_new_id(struct device_driver *driver,
static ssize_t new_id_store(struct device_driver *driver,
const char *buf, size_t count)
{
struct usb_driver *usb_drv = to_usb_driver(driver);
return usb_store_new_id(&usb_drv->dynids, driver, buf, count);
}
static DRIVER_ATTR(new_id, S_IRUGO | S_IWUSR, show_dynids, store_new_id);
static DRIVER_ATTR_RW(new_id);
/**
* store_remove_id - remove a USB device ID from this driver
* @driver: target device driver
* @buf: buffer for scanning device ID data
* @count: input size
*
* Removes a dynamic usb device ID from this driver.
*
* Return: @count on success. A negative error code otherwise.
/*
* Remove a USB device ID from this driver
*/
static ssize_t
store_remove_id(struct device_driver *driver, const char *buf, size_t count)
static ssize_t remove_id_store(struct device_driver *driver, const char *buf,
size_t count)
{
struct usb_dynid *dynid, *n;
struct usb_driver *usb_driver = to_usb_driver(driver);
......@@ -146,7 +139,12 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count)
spin_unlock(&usb_driver->dynids.lock);
return count;
}
static DRIVER_ATTR(remove_id, S_IRUGO | S_IWUSR, show_dynids, store_remove_id);
static ssize_t remove_id_show(struct device_driver *driver, char *buf)
{
return new_id_show(driver, buf);
}
static DRIVER_ATTR_RW(remove_id);
static int usb_create_newid_files(struct usb_driver *usb_drv)
{
......
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