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Btrfs: Fix oopsen when dropping empty tree.
authorYan, Zheng <zheng.yan@oracle.com>
Mon, 1 Feb 2010 02:41:17 +0000 (02:41 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 13 Aug 2010 20:20:11 +0000 (13:20 -0700)
commitfa3c9782cdbb89ba2139e7c2edc1ae562582a6ba
tree725b1841ce9204fecb6c1489a7ee54db3c0455b8tree | snapshot
parent4c324840d6c06406e1f05e12952c050c4e84ce95commit | diff
Btrfs: Fix oopsen when dropping empty tree.

commit 7a7965f83e89f0be506a96769938a721e4e5ae50 upstream.

When dropping a empty tree, walk_down_tree() skips checking
extent information for the tree root. This will triggers a
BUG_ON in walk_up_proc().

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Acked-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fs/btrfs/extent-tree.c diff | blob | history
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