svn commit: r239232 - head/sys/boot/common
Andrey V. Elsukov
ae at FreeBSD.org
Mon Aug 13 13:33:22 UTC 2012
Author: ae
Date: Mon Aug 13 13:33:21 2012
New Revision: 239232
URL: http://svn.freebsd.org/changeset/base/239232
Log:
Restore the old behaviour. If requested partition is a BSD slice,
but d_partition isn't explicitly set, then try to open BSD label and its
first partition.
Modified:
head/sys/boot/common/disk.c
Modified: head/sys/boot/common/disk.c
==============================================================================
--- head/sys/boot/common/disk.c Mon Aug 13 13:10:50 2012 (r239231)
+++ head/sys/boot/common/disk.c Mon Aug 13 13:33:21 2012 (r239232)
@@ -185,10 +185,18 @@ disk_open(struct disk_devdesc *dev, off_
if (rc != 0) /* Partition doesn't exist */
goto out;
dev->d_offset = part.start;
- if (dev->d_partition == -1 ||
- dev->d_partition == 255)
+ if (dev->d_partition == 255)
goto out; /* Nothing more to do */
-
+ if (dev->d_partition == -1) {
+ /*
+ * If we are looking at a BSD slice, and the
+ * partition is < 0, assume the 'a' partition.
+ */
+ if (part.type == PART_FREEBSD)
+ dev->d_partition = 0;
+ else
+ goto out;
+ }
/* Try to read BSD label */
table = ptable_open(dev, part.end - part.start + 1,
od->sectorsize, ptblread);
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