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authortkusumi <tkusumi@NetBSD.org>2019-12-22 13:16:09 +0000
committertkusumi <tkusumi@NetBSD.org>2019-12-22 13:16:09 +0000
commit5a23ccfca59dc32efec4fe1daac777bdf45d6824 (patch)
tree03d2cf7f20ae7f0cd8e10dc1d98b6b8b1c38e586 /sys/dev/dm/dm_table.c
parent3fc9664d410998339786b6d16c7b5a549d81a724 (diff)
dm: Make numsec/secsize arguments in dm_table_disksize() optional
Diffstat (limited to 'sys/dev/dm/dm_table.c')
-rw-r--r--sys/dev/dm/dm_table.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/dev/dm/dm_table.c b/sys/dev/dm/dm_table.c
index f15d7916de0..1592940ab57 100644
--- a/sys/dev/dm/dm_table.c
+++ b/sys/dev/dm/dm_table.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dm_table.c,v 1.17 2019/12/21 11:59:03 tkusumi Exp $ */
+/* $NetBSD: dm_table.c,v 1.18 2019/12/22 13:16:09 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_table.c,v 1.17 2019/12/21 11:59:03 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_table.c,v 1.18 2019/12/22 13:16:09 tkusumi Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -262,8 +262,11 @@ dm_table_disksize(dm_table_head_t *head, uint64_t *numsecp,
if (secsize < tsecsize)
secsize = tsecsize;
}
- *numsecp = secsize > 0 ? dbtob(length) / secsize : 0;
- *secsizep = secsize;
+
+ if (numsecp)
+ *numsecp = secsize > 0 ? dbtob(length) / secsize : 0;
+ if (secsizep)
+ *secsizep = secsize;
dm_table_unbusy(head);
}