diff --git a/regress/sys/kern/kqueue/read/fifo/fifo.c b/regress/sys/kern/kqueue/read/fifo/fifo.c
index ced0946ed9c4..14b3ba464b71 100644
--- a/regress/sys/kern/kqueue/read/fifo/fifo.c
+++ b/regress/sys/kern/kqueue/read/fifo/fifo.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: fifo.c,v 1.2 2002/10/29 10:39:36 martin Exp $	*/
+/*	$NetBSD: fifo.c,v 1.3 2006/09/29 14:18:25 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -115,6 +115,11 @@ main(int argc, char **argv)
 		printf("fifo: incorrect filter, expecting EVFILT_READ\n");
 
 	n = read(fd, buffer, event[0].data);
+	if (n < 0) {
+		warn("read");
+		error = 1;
+		goto out;
+	}
 	buffer[n] = '\0';
 	printf("fifo: read '%s'\n", buffer);
 
diff --git a/regress/sys/kern/kqueue/read/file/file.c b/regress/sys/kern/kqueue/read/file/file.c
index 0e36b202a40c..f72435c03db1 100644
--- a/regress/sys/kern/kqueue/read/file/file.c
+++ b/regress/sys/kern/kqueue/read/file/file.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: file.c,v 1.3 2002/12/06 02:06:16 thorpej Exp $	*/
+/*	$NetBSD: file.c,v 1.4 2006/09/29 14:18:25 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -104,6 +104,8 @@ main(int argc, char **argv)
 #endif
 
 		n = read(fd, buffer, 128);
+		if (n < 0)
+			err(1, "read");
 		buffer[n] = '\0';
 		printf("file(%d): %s", num, buffer);
 	}
diff --git a/regress/sys/kern/kqueue/read/pipe1/pipe1.c b/regress/sys/kern/kqueue/read/pipe1/pipe1.c
index 8026d1541ae9..c19d24acfccb 100644
--- a/regress/sys/kern/kqueue/read/pipe1/pipe1.c
+++ b/regress/sys/kern/kqueue/read/pipe1/pipe1.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: pipe1.c,v 1.1.1.1 2002/10/03 07:46:03 jdolecek Exp $	*/
+/*	$NetBSD: pipe1.c,v 1.2 2006/09/29 14:18:25 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -82,6 +82,8 @@ main(int argc, char **argv)
 		    n, event[0].flags, event[0].fflags, event[0].data);
 
 	n = read(fds[0], buffer, event[0].data);
+	if (n < 0) 
+		err(1, "read");
 	buffer[n] = '\0';
 	printf("pipe: read '%s'\n", buffer);
 
diff --git a/regress/sys/kern/kqueue/vnode/vnode.c b/regress/sys/kern/kqueue/vnode/vnode.c
index 303b1ce12312..32413cc5eaa6 100644
--- a/regress/sys/kern/kqueue/vnode/vnode.c
+++ b/regress/sys/kern/kqueue/vnode/vnode.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vnode.c,v 1.2 2003/10/21 09:42:48 itojun Exp $	*/
+/*	$NetBSD: vnode.c,v 1.3 2006/09/29 14:18:25 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -139,6 +139,8 @@ main(int argc, char **argv)
 			if (event[0].data < 0)
 				lseek(fd, 0, SEEK_END);
 			n = read(fd, buffer, 128);
+			if (n < 0)
+				err(1, "read");
 			buffer[n] = '\0';
 			printf("[%d] %s", n, buffer);
 		}
diff --git a/regress/sys/kern/kqueue/write/inet/inet.c b/regress/sys/kern/kqueue/write/inet/inet.c
index a9615c2f3111..5800265b0115 100644
--- a/regress/sys/kern/kqueue/write/inet/inet.c
+++ b/regress/sys/kern/kqueue/write/inet/inet.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: inet.c,v 1.6 2006/05/10 19:10:09 mrg Exp $	*/
+/*	$NetBSD: inet.c,v 1.7 2006/09/29 14:18:25 christos Exp $	*/
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -273,6 +273,8 @@ printf("ir: match is %d\n", match); /* sleep(1); */
 			continue;
 
 		n = read(fd, buffer, 128);
+		if (n < 0)
+			err(1, "read");
 		buffer[n] = '\0';
 buffer[0] = '\0';
 		printf("[%d] %s", n, buffer);