700                              struct fown_struct *fown, int sig)  in sigio_perm()  argument
707 	ret = ((uid_eq(fown->euid, GLOBAL_ROOT_UID) ||  in sigio_perm()
708 		uid_eq(fown->euid, cred->suid) || uid_eq(fown->euid, cred->uid) ||  in sigio_perm()
709 		uid_eq(fown->uid,  cred->suid) || uid_eq(fown->uid,  cred->uid)) &&  in sigio_perm()
710 	       !security_file_send_sigiotask(p, fown, sig));  in sigio_perm()
716 			       struct fown_struct *fown,  in send_sigio_to_task()  argument
723 	int signum = READ_ONCE(fown->signum);  in send_sigio_to_task()
725 	if (!sigio_perm(p, fown, signum))  in send_sigio_to_task()
771 void send_sigio(struct fown_struct *fown, int fd, int band)  in send_sigio()  argument
778 	read_lock_irqsave(&fown->lock, flags);  in send_sigio()
780 	type = fown->pid_type;  in send_sigio()
781 	pid = fown->pid;  in send_sigio()
789 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
794 			send_sigio_to_task(p, fown, fd, band, type);  in send_sigio()
799 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigio()
803 				struct fown_struct *fown, enum pid_type type)  in send_sigurg_to_task()  argument
805 	if (sigio_perm(p, fown, SIGURG))  in send_sigurg_to_task()
809 int send_sigurg(struct fown_struct *fown)  in send_sigurg()  argument
817 	read_lock_irqsave(&fown->lock, flags);  in send_sigurg()
819 	type = fown->pid_type;  in send_sigurg()
820 	pid = fown->pid;  in send_sigurg()
830 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
835 			send_sigurg_to_task(p, fown, type);  in send_sigurg()
840 	read_unlock_irqrestore(&fown->lock, flags);  in send_sigurg()
988 		struct fown_struct *fown;  in kill_fasync_rcu()  local
998 			fown = &fa->fa_file->f_owner;  in kill_fasync_rcu()
1002 			if (!(sig == SIGURG && fown->signum == 0))  in kill_fasync_rcu()
1003 				send_sigio(fown, fa->fa_fd, band);  in kill_fasync_rcu()