From fdf87adf0cac86f202f950ecd54d4364f50026b1 Mon Sep 17 00:00:00 2001 From: tkusumi Date: Wed, 18 Dec 2019 14:31:35 +0000 Subject: dm: Test # of args in target's ->init() The # of args is part of target's spec. Both Linux kernel and DragonFlyBSD test argc on ctr/init. --- sys/dev/dm/dm_target_zero.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'sys/dev/dm/dm_target_zero.c') 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 -__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; -- cgit