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Diffstat (limited to 'sys/dev/dm/dm_target_zero.c')
-rw-r--r--sys/dev/dm/dm_target_zero.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/dm/dm_target_zero.c b/sys/dev/dm/dm_target_zero.c
index 2dc85f692b3..16ae1de347c 100644
--- a/sys/dev/dm/dm_target_zero.c
+++ b/sys/dev/dm/dm_target_zero.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_target_zero.c,v 1.27 2019/12/16 14:26:23 tkusumi Exp $ */
+/* $NetBSD: dm_target_zero.c,v 1.28 2019/12/18 14:31:35 tkusumi Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_zero.c,v 1.27 2019/12/16 14:26:23 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_zero.c,v 1.28 2019/12/18 14:31:35 tkusumi Exp $");
/*
* This file implements initial version of device-mapper zero target.
@@ -104,6 +104,11 @@ int
dm_target_zero_init(dm_table_entry_t *table_en, int argc, char **argv)
{
+ if (argc != 0) {
+ printf("Zero target takes 0 args, %d given\n", argc);
+ return EINVAL;
+ }
+
printf("Zero target init function called!!\n");
table_en->target_config = NULL;