694                              struct fown_struct *fown, int sig)  in sigio_perm()  argument
701 	ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) ||  in sigio_perm()
702 		uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) ||  in sigio_perm()
703 		uid_eq(fown->uid,  cred->suid) || uid_eq(fown->uid,  cred->uid)) &&  in sigio_perm()
704 	       !security_file_send_sigiotask(p, fown, sig));  in sigio_perm()
710 			       struct fown_struct *fown,  in send_sigio_to_task()  argument
717 	int signum = READ_ONCE(fown->signum);  in send_sigio_to_task()
719 	if (!sigio_perm(p, fown, signum))  in send_sigio_to_task()
765 void send_sigio(struct fown_struct *fown, int fd, int band)  in send_sigio()  argument
772 	read_lock_irqsave(&fown->lock, flags);  in send_sigio()
774 	type = fown->pid_type;  in send_sigio()
775 	pid = fown->pid;  in send_sigio()
783 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
788 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
793 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigio()
797 				struct fown_struct *fown, enum pid_type type)  in send_sigurg_to_task()  argument
799 	if (sigio_perm(p, fown, SIGURG))  in send_sigurg_to_task()
803 int send_sigurg(struct fown_struct *fown)  in send_sigurg()  argument
811 	read_lock_irqsave(&fown->lock, flags);  in send_sigurg()
813 	type = fown->pid_type;  in send_sigurg()
814 	pid = fown->pid;  in send_sigurg()
824 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
829 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
834 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigurg()
982 		struct fown_struct *fown;  in kill_fasync_rcu()  local
992 			fown = &fa->fa_file->f_owner;  in kill_fasync_rcu()
996 			if (!(sig == SIGURG && fown->signum == 0))  in kill_fasync_rcu()
997 				send_sigio(fown, fa->fa_fd, band);  in kill_fasync_rcu()