679 	int i, npfds, pollio, err, err_poll;  in snd_hctl_wait()  local
681 	npfds = snd_hctl_poll_descriptors_count(hctl);  in snd_hctl_wait()
682 	if (npfds <= 0 || npfds >= 16) {  in snd_hctl_wait()
683 		SNDERR("Invalid poll_fds %d\n", npfds);  in snd_hctl_wait()
686 	pfd = alloca(sizeof(*pfd) * npfds);  in snd_hctl_wait()
687 	revents = alloca(sizeof(*revents) * npfds);  in snd_hctl_wait()
688 	err = snd_hctl_poll_descriptors(hctl, pfd, npfds);  in snd_hctl_wait()
691 	if (err != npfds) {  in snd_hctl_wait()
697 		err_poll = poll(pfd, npfds, timeout);  in snd_hctl_wait()
705 		err = snd_hctl_poll_descriptors_revents(hctl, pfd, npfds, revents);  in snd_hctl_wait()
708 		for (i = 0; i < npfds; i++) {  in snd_hctl_wait()