973 static int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,  in do_sys_poll()  argument
984  	unsigned long todo = nfds;  in do_sys_poll()
986 	if (nfds > rlimit(RLIMIT_NOFILE))  in do_sys_poll()
989 	len = min_t(unsigned int, nfds, N_STACK_PPS);  in do_sys_poll()
996 		if (copy_from_user(walk->entries, ufds + nfds-todo,  in do_sys_poll()
1017 	if (!user_write_access_begin(ufds, nfds * sizeof(*ufds)))  in do_sys_poll()
1049 	int nfds = restart_block->poll.nfds;  in do_restart_poll()  local
1059 	ret = do_sys_poll(ufds, nfds, to);  in do_restart_poll()
1067 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE3()  argument
1079 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE3()
1086 		restart_block->poll.nfds = nfds;  in SYSCALL_DEFINE3()
1100 SYSCALL_DEFINE5(ppoll, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE5()  argument
1120 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE5()
1126 SYSCALL_DEFINE5(ppoll_time32, struct pollfd __user *, ufds, unsigned int, nfds,  in SYSCALL_DEFINE5()  argument
1146 	ret = do_sys_poll(ufds, nfds, to);  in SYSCALL_DEFINE5()
1399 	unsigned int,  nfds, struct old_timespec32 __user *, tsp,  in COMPAT_SYSCALL_DEFINE5()  argument
1418 	ret = do_sys_poll(ufds, nfds, to);  in COMPAT_SYSCALL_DEFINE5()
1425 	unsigned int,  nfds, struct __kernel_timespec __user *, tsp,  in COMPAT_SYSCALL_DEFINE5()  argument
1444 	ret = do_sys_poll(ufds, nfds, to);  in COMPAT_SYSCALL_DEFINE5()