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| author | marcel <marcel@FreeBSD.org> | 2009-03-30 00:53:46 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2009-03-30 00:53:46 +0000 |
| commit | 658fba6dacb297008f126780a018b71c2e1f98c2 (patch) | |
| tree | 9c7493eedf29919e361cc16010c6817ac1bf7120 /sys/geom | |
| parent | 5f1a50b47c3e1177f3ae625df08af3f4b3667233 (diff) | |
| download | FreeBSD-src-658fba6dacb297008f126780a018b71c2e1f98c2.zip FreeBSD-src-658fba6dacb297008f126780a018b71c2e1f98c2.tar.gz | |
Sharpen the saw:
o MBR uses 32-bit block numbers. Limit the scheme to 2^32-1
blocks when the media is larger.
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/part/g_part_mbr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/geom/part/g_part_mbr.c b/sys/geom/part/g_part_mbr.c index e058b05..72d0ecb 100644 --- a/sys/geom/part/g_part_mbr.c +++ b/sys/geom/part/g_part_mbr.c @@ -230,7 +230,7 @@ g_part_mbr_create(struct g_part_table *basetable, struct g_part_parms *gpp) struct g_consumer *cp; struct g_provider *pp; struct g_part_mbr_table *table; - uint64_t msize; + uint32_t msize; pp = gpp->gpp_provider; cp = LIST_FIRST(&pp->consumers); @@ -238,7 +238,7 @@ g_part_mbr_create(struct g_part_table *basetable, struct g_part_parms *gpp) if (pp->sectorsize < MBRSIZE) return (ENOSPC); - msize = pp->mediasize / pp->sectorsize; + msize = MIN(pp->mediasize / pp->sectorsize, 0xffffffff); basetable->gpt_first = basetable->gpt_sectors; basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1; |
