718                              struct fown_struct *fown, int sig)  in sigio_perm()  argument
725 	ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) ||  in sigio_perm()
726 		uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) ||  in sigio_perm()
727 		uid_eq(fown->uid,  cred->suid) || uid_eq(fown->uid,  cred->uid)) &&  in sigio_perm()
728 	       !security_file_send_sigiotask(p, fown, sig));  in sigio_perm()
734 			       struct fown_struct *fown,  in send_sigio_to_task()  argument
741 	int signum = READ_ONCE(fown->signum);  in send_sigio_to_task()
743 	if (!sigio_perm(p, fown, signum))  in send_sigio_to_task()
789 void send_sigio(struct fown_struct *fown, int fd, int band)  in send_sigio()  argument
796 	read_lock_irqsave(&fown->lock, flags);  in send_sigio()
798 	type = fown->pid_type;  in send_sigio()
799 	pid = fown->pid;  in send_sigio()
807 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
812 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
817 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigio()
821 				struct fown_struct *fown, enum pid_type type)  in send_sigurg_to_task()  argument
823 	if (sigio_perm(p, fown, SIGURG))  in send_sigurg_to_task()
827 int send_sigurg(struct fown_struct *fown)  in send_sigurg()  argument
835 	read_lock_irqsave(&fown->lock, flags);  in send_sigurg()
837 	type = fown->pid_type;  in send_sigurg()
838 	pid = fown->pid;  in send_sigurg()
848 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
853 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
858 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigurg()
1006 		struct fown_struct *fown;  in kill_fasync_rcu()  local
1016 			fown = &fa->fa_file->f_owner;  in kill_fasync_rcu()
1020 			if (!(sig == SIGURG && fown->signum == 0))  in kill_fasync_rcu()
1021 				send_sigio(fown, fa->fa_fd, band);  in kill_fasync_rcu()