870 int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,  in do_sys_poll()  argument
893 		if (copy_from_user(walk->entries, ufds + nfds-todo,  in do_sys_poll()
918 		for (j = 0; j < walk->len; j++, ufds++)  in do_sys_poll()
919 			if (__put_user(fds[j].revents, &ufds->revents))  in do_sys_poll()
937 	struct pollfd __user *ufds = restart_block->poll.ufds;  in do_restart_poll()  local
948 	ret = do_sys_poll(ufds, nfds, to);  in do_restart_poll()
957 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE3()  argument
969 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE3()
976 		restart_block->poll.ufds = ufds;  in SYSCALL_DEFINE3()
991 SYSCALL_DEFINE5(ppoll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE5()  argument
1019 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE5()