===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/sndiod/dev_sioctl.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -c -r1.2 -r1.3
*** src/usr.bin/sndiod/dev_sioctl.c	2020/03/08 14:52:20	1.2
--- src/usr.bin/sndiod/dev_sioctl.c	2020/04/15 14:26:40	1.3
***************
*** 1,4 ****
! /*	$OpenBSD: dev_sioctl.c,v 1.2 2020/03/08 14:52:20 ratchov Exp $	*/
  /*
   * Copyright (c) 2014-2020 Alexandre Ratchov <alex@caoua.org>
   *
--- 1,4 ----
! /*	$OpenBSD: dev_sioctl.c,v 1.3 2020/04/15 14:26:40 ratchov Exp $	*/
  /*
   * Copyright (c) 2014-2020 Alexandre Ratchov <alex@caoua.org>
   *
***************
*** 115,122 ****
  void
  dev_sioctl_open(struct dev *d)
  {
! 	if (d->sioctl.hdl == NULL)
  		return;
  	sioctl_ondesc(d->sioctl.hdl, dev_sioctl_ondesc, d);
  	sioctl_onval(d->sioctl.hdl, dev_sioctl_onval, d);
  	d->sioctl.file = file_new(&dev_sioctl_ops, d, "mix",
--- 115,130 ----
  void
  dev_sioctl_open(struct dev *d)
  {
! 	if (d->sioctl.hdl == NULL) {
! 		/*
! 		 * At this point there are clients, for instance if we're
! 		 * called by dev_reopen() but the control device couldn't
! 		 * be opened. In this case controls have changed (thoseof
! 		 * old device are just removed) so we need to notify clients.
! 		 */
! 		dev_ctlsync(d);
  		return;
+ 	}
  	sioctl_ondesc(d->sioctl.hdl, dev_sioctl_ondesc, d);
  	sioctl_onval(d->sioctl.hdl, dev_sioctl_onval, d);
  	d->sioctl.file = file_new(&dev_sioctl_ops, d, "mix",