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From: "Andrey V. Elsukov" <ae@FreeBSD.org>
Date: Sun, 8 May 2011 11:16:18 +0000 (UTC)
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Subject: svn commit: r221644 - head/sys/geom/part
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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)