kill_pid_usb_asyncio
kill_pid_usb_asyncio(ps->discsignr, EPIPE, ps->disccontext,
kill_pid_usb_asyncio(signr, errno, addr, pid, cred);
extern int kill_pid_usb_asyncio(int sig, int errno, sigval_t addr, struct pid *,
EXPORT_SYMBOL_GPL(kill_pid_usb_asyncio);