svn commit: r190534 - head/sys/geom/part

[Marcel Moolenaar]

Author: marcel
Date: Mon Mar 30 00:33:43 2009
New Revision: 190534
URL: http://svn.freebsd.org/changeset/base/190534

Log:
  Sharpen the saw:
  o  Don't create a GPT scheme underneath another scheme when
     the probe doesn't allow it.

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

Modified: head/sys/geom/part/g_part_gpt.c
==============================================================================
--- head/sys/geom/part/g_part_gpt.c	Sun Mar 29 21:25:40 2009	(r190533)
+++ head/sys/geom/part/g_part_gpt.c	Mon Mar 30 00:33:43 2009	(r190534)
@@ -393,6 +393,10 @@ g_part_gpt_create(struct g_part_table *b
 	quad_t last;
 	size_t tblsz;
 
+	/* We don't nest, which means that our depth should be 0. */
+	if (basetable->gpt_depth != 0)
+		return (ENXIO);
+
 	table = (struct g_part_gpt_table *)basetable;
 	pp = gpp->gpp_provider;
 	tblsz = (basetable->gpt_entries * sizeof(struct gpt_ent) +