437                              struct fown_struct *fown, int sig)  in sigio_perm()  argument
444 	ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) ||  in sigio_perm()
445 		uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) ||  in sigio_perm()
446 		uid_eq(fown->uid,  cred->suid) || uid_eq(fown->uid,  cred->uid)) &&  in sigio_perm()
447 	       !security_file_send_sigiotask(p, fown, sig));  in sigio_perm()
453 			       struct fown_struct *fown,  in send_sigio_to_task()  argument
460 	int signum = ACCESS_ONCE(fown->signum);  in send_sigio_to_task()
462 	if (!sigio_perm(p, fown, signum))  in send_sigio_to_task()
494 void send_sigio(struct fown_struct *fown, int fd, int band)  in send_sigio()  argument
501 	read_lock(&fown->lock);  in send_sigio()
503 	type = fown->pid_type;  in send_sigio()
509 	pid = fown->pid;  in send_sigio()
515 		send_sigio_to_task(p, fown, fd, band, group);  in send_sigio()
519 	read_unlock(&fown->lock);  in send_sigio()
523 				struct fown_struct *fown, int group)  in send_sigurg_to_task()  argument
525 	if (sigio_perm(p, fown, SIGURG))  in send_sigurg_to_task()
529 int send_sigurg(struct fown_struct *fown)  in send_sigurg()  argument
537 	read_lock(&fown->lock);  in send_sigurg()
539 	type = fown->pid_type;  in send_sigurg()
545 	pid = fown->pid;  in send_sigurg()
553 		send_sigurg_to_task(p, fown, group);  in send_sigurg()
557 	read_unlock(&fown->lock);  in send_sigurg()
705 		struct fown_struct *fown;  in kill_fasync_rcu()  local
715 			fown = &fa->fa_file->f_owner;  in kill_fasync_rcu()
719 			if (!(sig == SIGURG && fown->signum == 0))  in kill_fasync_rcu()
720 				send_sigio(fown, fa->fa_fd, band);  in kill_fasync_rcu()