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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