diff options
Diffstat (limited to 'sys/geom/part/g_part_mbr.c')
| -rw-r--r-- | sys/geom/part/g_part_mbr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/geom/part/g_part_mbr.c b/sys/geom/part/g_part_mbr.c index 9e3e809c7d51..b0ba3231f7fa 100644 --- a/sys/geom/part/g_part_mbr.c +++ b/sys/geom/part/g_part_mbr.c @@ -213,9 +213,14 @@ static int g_part_mbr_bootcode(struct g_part_table *basetable, struct g_part_parms *gpp) { struct g_part_mbr_table *table; + size_t codesz; + codesz = DOSPARTOFF; table = (struct g_part_mbr_table *)basetable; - bcopy(gpp->gpp_codeptr, table->mbr, DOSPARTOFF); + bzero(table->mbr, codesz); + codesz = MIN(codesz, gpp->gpp_codesize); + if (codesz > 0) + bcopy(gpp->gpp_codeptr, table->mbr, codesz); return (0); } |