[PATCH] Btrfs: btrfs_get_extent: put btrfs_free_path ahead

[Liu Bo]

trace_btrfs_get_extent() has nothing to do with path, place
btrfs_free_path ahead so that we can unlock path on error.

Signed-off-by: Liu Bo <bo....@linux.alibaba.com>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 31d43355f052..6a0380f3f318 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7000,10 +7000,10 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode 
*inode,
        err = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
        write_unlock(&em_tree->lock);
 out:
+       btrfs_free_path(path);
 
        trace_btrfs_get_extent(root, inode, em);
 
-       btrfs_free_path(path);
        if (err) {
                free_extent_map(em);
                return ERR_PTR(err);
-- 
1.8.3.1