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Diffstat (limited to 'sbin/mount_null/mount_null.c')
-rw-r--r--sbin/mount_null/mount_null.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/sbin/mount_null/mount_null.c b/sbin/mount_null/mount_null.c
index fd49f42e586..54b1caa3317 100644
--- a/sbin/mount_null/mount_null.c
+++ b/sbin/mount_null/mount_null.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mount_null.c,v 1.4 1997/01/15 23:41:23 millert Exp $ */
+/* $OpenBSD: mount_null.c,v 1.5 1997/08/20 05:10:24 millert Exp $ */
/* $NetBSD: mount_null.c,v 1.3 1996/04/13 01:31:49 jtc Exp $ */
/*
@@ -47,7 +47,7 @@ char copyright[] =
#if 0
static char sccsid[] = "@(#)mount_null.c 8.5 (Berkeley) 3/27/94";
#else
-static char rcsid[] = "$OpenBSD: mount_null.c,v 1.4 1997/01/15 23:41:23 millert Exp $";
+static char rcsid[] = "$OpenBSD: mount_null.c,v 1.5 1997/08/20 05:10:24 millert Exp $";
#endif
#endif /* not lint */
@@ -56,6 +56,7 @@ static char rcsid[] = "$OpenBSD: mount_null.c,v 1.4 1997/01/15 23:41:23 millert
#include <miscfs/nullfs/null.h>
#include <err.h>
+#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
@@ -105,8 +106,13 @@ main(argc, argv)
args.target = target;
- if (mount(MOUNT_NULL, argv[1], mntflags, &args))
- err(1, NULL);
+ if (mount(MOUNT_NULL, argv[1], mntflags, &args)) {
+ if (errno == EOPNOTSUPP)
+ errx(1, "%s: Filesystem not supported by kernel",
+ argv[1]);
+ else
+ err(1, argv[1]);
+ }
exit(0);
}