From 7d3d1744f8a7d62e4875bd69cc2192a939813880 Mon Sep 17 00:00:00 2001
From: Liu Bo <bo.li.liu@oracle.com>
Date: Sun, 29 Sep 2013 10:33:16 +0800
Subject: [PATCH] Btrfs: fix memory leak of chunks' extent map

As we're hold a ref on looking up the extent map, we need to drop the ref
before returning to callers.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Reading git-format-patch failed