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Date:      Thu, 25 Feb 2010 15:29:41 +0000 (UTC)
From:      Rafal Jaworowski <raj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r204317 - head/sys/boot/uboot/lib
Message-ID:  <201002251529.o1PFTfUJ051963@svn.freebsd.org>

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Author: raj
Date: Thu Feb 25 15:29:41 2010
New Revision: 204317
URL: http://svn.freebsd.org/changeset/base/204317

Log:
  Fix handling of GPT disk partition index.
  
  Obtained from:	Semihalf
  MFC after:	1 week

Modified:
  head/sys/boot/uboot/lib/disk.c

Modified: head/sys/boot/uboot/lib/disk.c
==============================================================================
--- head/sys/boot/uboot/lib/disk.c	Thu Feb 25 15:27:13 2010	(r204316)
+++ head/sys/boot/uboot/lib/disk.c	Thu Feb 25 15:29:41 2010	(r204317)
@@ -376,6 +376,14 @@ stor_open_gpt(struct open_dev *od, struc
 	}
 
 	dev->d_disk.ptype = PTYPE_GPT;
+	/*
+	 * If index of partition to open (dev->d_disk.pnum) is not defined
+	 * we set it to the index of the first existing partition. This
+	 * handles cases when only a disk device is specified (without full
+	 * partition information) by the caller.
+	 */
+	if ((od->od_nparts > 0) && (dev->d_disk.pnum == 0))
+		dev->d_disk.pnum = od->od_partitions[0].gp_index;
 
 	for (i = 0; i < od->od_nparts; i++)
 		if (od->od_partitions[i].gp_index == dev->d_disk.pnum)



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