420 static int f_owner_sig(struct file *filp, int signum, bool setsig)  in f_owner_sig()  argument
428 		if (!valid_signal(signum))  in f_owner_sig()
438 		f_owner->signum = signum;  in f_owner_sig()
440 		ret = f_owner->signum;  in f_owner_sig()
863 	int signum = READ_ONCE(fown->signum);  in send_sigio_to_task()  local
865 	if (!sigio_perm(p, fown, signum))  in send_sigio_to_task()
868 	switch (signum) {  in send_sigio_to_task()
879 			si.si_signo = signum;  in send_sigio_to_task()
890 			if ((signum != SIGPOLL) && sig_specific_sicodes(signum))  in send_sigio_to_task()
902 			if (!do_send_sig_info(signum, &si, p, type))  in send_sigio_to_task()
1143 			if (!(sig == SIGURG && fown->signum == 0))  in kill_fasync_rcu()