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Btrfs: add missing free_extent_buffer

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read_tree_block may take a reference on the 'eb', a following
free_extent_buffer is necessary.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Liu Bo 2015-05-25 17:30:14 +08:00 committed by Chris Mason
parent 0c304304fe
commit 8635eda91e
1 changed files with 1 additions and 0 deletions
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fs/btrfs/extent-tree.c
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@ -7981,6 +7981,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans,
eb = read_tree_block(root, child_bytenr, child_gen);
if (!eb || !extent_buffer_uptodate(eb)) {
ret = -EIO;
free_extent_buffer(eb);
goto out;
}