btrfs: add missing spin_unlock to a rare exit path
authorDavid Sterba <dsterba@suse.cz>
Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)
committerChris Mason <chris.mason@oracle.com>
Mon, 25 Apr 2011 23:43:52 +0000 (19:43 -0400)
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

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