Do not truncate available disk space to the closest track boundary.

1 files changed, 3 insertions, 4 deletions

diff --git a/sys/geom/part/g_part_mbr.c b/sys/geom/part/g_part_mbr.c
index 63dcac4..0b40366 100644
--- a/sys/geom/part/g_part_mbr.c
+++ b/sys/geom/part/g_part_mbr.c
@@ -253,15 +253,14 @@ g_part_mbr_create(struct g_part_table *basetable, struct g_part_parms *gpp)
 {
 	struct g_provider *pp;
 	struct g_part_mbr_table *table;
-	uint32_t msize;
 
 	pp = gpp->gpp_provider;
 	if (pp->sectorsize < MBRSIZE)
 		return (ENOSPC);
 
-	msize = MIN(pp->mediasize / pp->sectorsize, UINT32_MAX);
 	basetable->gpt_first = basetable->gpt_sectors;
-	basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
+	basetable->gpt_last = MIN(pp->mediasize / pp->sectorsize,
+	    UINT32_MAX) - 1;
 
 	table = (struct g_part_mbr_table *)basetable;
 	le16enc(table->mbr + DOSMAGICOFFSET, DOSMAGIC);
@@ -470,7 +469,7 @@ g_part_mbr_read(struct g_part_table *basetable, struct g_consumer *cp)
 
 	basetable->gpt_entries = NDOSPART;
 	basetable->gpt_first = basetable->gpt_sectors;
-	basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
+	basetable->gpt_last = msize - 1;
 
 	g_free(buf);
 	return (0);