diff --git a/sys/dev/ata/wd.c b/sys/dev/ata/wd.c
index 61f1c2487a96..194ef3327f29 100644
--- a/sys/dev/ata/wd.c
+++ b/sys/dev/ata/wd.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: wd.c,v 1.237 2003/01/27 18:21:29 thorpej Exp $ */
+/*	$NetBSD: wd.c,v 1.238 2003/02/23 08:50:58 yamt Exp $ */
 
 /*
  * Copyright (c) 1998, 2001 Manuel Bouyer.  All rights reserved.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.237 2003/01/27 18:21:29 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.238 2003/02/23 08:50:58 yamt Exp $");
 
 #ifndef WDCDEBUG
 #define WDCDEBUG
@@ -1454,6 +1454,7 @@ wi_get()
 	int s;
 
 	wi = malloc(sizeof(struct wd_ioctl), M_TEMP, M_WAITOK|M_ZERO);
+	simple_lock_init(&wi->wi_bp.b_interlock);
 	s = splbio();
 	LIST_INSERT_HEAD(&wi_head, wi, wi_list);
 	splx(s);
diff --git a/sys/dev/scsipi/scsipi_ioctl.c b/sys/dev/scsipi/scsipi_ioctl.c
index 81dc53b311be..2485ce0f72ff 100644
--- a/sys/dev/scsipi/scsipi_ioctl.c
+++ b/sys/dev/scsipi/scsipi_ioctl.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: scsipi_ioctl.c,v 1.43 2002/01/12 16:37:55 tsutsui Exp $	*/
+/*	$NetBSD: scsipi_ioctl.c,v 1.44 2003/02/23 08:50:59 yamt Exp $	*/
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -44,7 +44,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: scsipi_ioctl.c,v 1.43 2002/01/12 16:37:55 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: scsipi_ioctl.c,v 1.44 2003/02/23 08:50:59 yamt Exp $");
 
 #include "opt_compat_freebsd.h"
 #include "opt_compat_netbsd.h"
@@ -90,6 +90,7 @@ si_get()
 	int s;
 
 	si = malloc(sizeof(struct scsi_ioctl), M_TEMP, M_WAITOK|M_ZERO);
+	simple_lock_init(&si->si_bp.b_interlock);
 	s = splbio();
 	LIST_INSERT_HEAD(&si_head, si, si_list);
 	splx(s);