ging/rtl8192su/r8192s_usb.ko] undefined!
ERROR: "usb_free_urb" [drivers/staging/rtl8192su/r8192s_usb.ko] undefined!
ERROR: "usb_alloc_urb" [drivers/staging/rtl8192su/r8192s_usb.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>