[PATCH 02/10] btrfs: open code btrfs_backref_iter_free()

[David Sterba <dsterba@suse.com>]

The helper is trivial and used only once, open code it. It's safe to
remove the 'if', the pointer is validated in build_backref_tree().

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/backref.h    | 8 --------
 fs/btrfs/relocation.c | 3 ++-
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 523e594ac753..493ea47db426 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -283,14 +283,6 @@ struct btrfs_backref_iter {
 
 struct btrfs_backref_iter *btrfs_backref_iter_alloc(struct btrfs_fs_info *fs_info);
 
-static inline void btrfs_backref_iter_free(struct btrfs_backref_iter *iter)
-{
-	if (!iter)
-		return;
-	btrfs_free_path(iter->path);
-	kfree(iter);
-}
-
 static inline struct extent_buffer *btrfs_backref_get_eb(
 		struct btrfs_backref_iter *iter)
 {
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2fca67f2b39b..f96f267fb4aa 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -523,7 +523,8 @@ static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
 	if (handle_useless_nodes(rc, node))
 		node = NULL;
 out:
-	btrfs_backref_iter_free(iter);
+	btrfs_free_path(iter->path);
+	kfree(iter);
 	btrfs_free_path(path);
 	if (err) {
 		btrfs_backref_error_cleanup(cache, node);
-- 
2.42.1