diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 1c0611045379..5e65bc258e1b 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -112,12 +112,26 @@ static int usb_create_newid_file(struct usb_driver *usb_drv) { int error = 0; + if (usb_drv->no_dynamic_id) + goto exit; + if (usb_drv->probe != NULL) error = sysfs_create_file(&usb_drv->driver.kobj, &driver_attr_new_id.attr); +exit: return error; } +static void usb_remove_newid_file(struct usb_driver *usb_drv) +{ + if (usb_drv->no_dynamic_id) + return; + + if (usb_drv->probe != NULL) + sysfs_remove_file(&usb_drv->driver.kobj, + &driver_attr_new_id.attr); +} + static void usb_free_dynids(struct usb_driver *usb_drv) { struct usb_dynid *dynid, *n; @@ -135,6 +149,10 @@ static inline int usb_create_newid_file(struct usb_driver *usb_drv) return 0; } +static void usb_remove_newid_file(struct usb_driver *usb_drv) +{ +} + static inline void usb_free_dynids(struct usb_driver *usb_drv) { } @@ -447,6 +465,7 @@ void usb_deregister(struct usb_driver *driver) pr_info("%s: deregistering driver %s\n", usbcore_name, driver->name); usb_lock_all_devices(); + usb_remove_newid_file(driver); usb_free_dynids(driver); driver_unregister(&driver->driver); usb_unlock_all_devices(); |