Author: ae
Date: Sun May  8 11:16:17 2011
New Revision: 221644
URL: http://svn.freebsd.org/changeset/base/221644

Log:
  Limit number of sectors that can be addressed.
  
  MFC after:    1 week

Modified:
  head/sys/geom/part/g_part_mbr.c

Modified: head/sys/geom/part/g_part_mbr.c
==============================================================================
--- head/sys/geom/part/g_part_mbr.c     Sun May  8 11:10:56 2011        
(r221643)
+++ head/sys/geom/part/g_part_mbr.c     Sun May  8 11:16:17 2011        
(r221644)
@@ -262,7 +262,7 @@ g_part_mbr_create(struct g_part_table *b
        if (pp->sectorsize < MBRSIZE)
                return (ENOSPC);
 
-       msize = MIN(pp->mediasize / pp->sectorsize, 0xffffffff);
+       msize = MIN(pp->mediasize / pp->sectorsize, UINT_MAX);
        basetable->gpt_first = basetable->gpt_sectors;
        basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
 
@@ -433,7 +433,7 @@ g_part_mbr_read(struct g_part_table *bas
 
        pp = cp->provider;
        table = (struct g_part_mbr_table *)basetable;
-       msize = pp->mediasize / pp->sectorsize;
+       msize = MIN(pp->mediasize / pp->sectorsize, UINT_MAX);
 
        buf = g_read_data(cp, 0L, pp->sectorsize, &error);
        if (buf == NULL)
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