3.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Liu Bo <bo.li....@oracle.com>
commit 7d3d1744f8a7d62e4875bd69cc2192a939813880 upstream.
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....@oracle.com>
Signed-off-by: Josef Bacik <jba...@fusionio.com>
Signed-off-by: Chris Mason <chris.ma...@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/btrfs/volumes.c | 2 ++
1 file changed, 2 insertions(+)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4488,6 +4488,7 @@ int btrfs_num_copies(struct btrfs_fs_inf
btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got "
"%Lu-%Lu\n", logical, logical+len, em->start,
em->start + em->len);
+ free_extent_map(em);
return 1;
}
@@ -4668,6 +4669,7 @@ static int __btrfs_map_block(struct btrf
btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, "
"found %Lu-%Lu\n", logical, em->start,
em->start + em->len);
+ free_extent_map(em);
return -EINVAL;
}
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