tree 0214d77b462613aa605d3107633bec7445d53d57
parent 30b0463a9394d9e41596e96def5461fe33222f13
author Jan Schmidt <list.btrfs@jan-o-sch.net> 1365859195 +0000
committer Josef Bacik <jbacik@fusionio.com> 1367870088 -0400

Btrfs: fix unlock after free on rewinded tree blocks

When tree_mod_log_rewind decides to make a copy of the current tree buffer
for its modifications, it subsequently freed the buffer before unlocking it.
Obviously, those operations are required in reverse order.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>