os_desc_ 826 drivers/usb/gadget/configfs.c CONFIGFS_ATTR(os_desc_, use); os_desc_ 827 drivers/usb/gadget/configfs.c CONFIGFS_ATTR(os_desc_, b_vendor_code); os_desc_ 828 drivers/usb/gadget/configfs.c CONFIGFS_ATTR(os_desc_, qw_sign);