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Btrfs: fix memory leak in do_walk_down 

The extent buffer 'next' needs to be free'd conditionally.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2016-09-13 19:02:27 -07:00 committed by David Sterba
parent c01f5f96f5
commit a958eab0ed
1 changed files with 1 additions and 0 deletions
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1
fs/btrfs/extent-tree.c
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@ -8891,6 +8891,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
&wc->flags[level - 1]);
if (ret < 0) {
btrfs_tree_unlock(next);
free_extent_buffer(next);
return ret;
}