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-rw-r--r--fs/btrfs/tests/extent-map-tests.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index 385a5316e4bf..bf15d3a7f20e 100644
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -12,8 +12,8 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
struct extent_map *em;
struct rb_node *node;
- while (!RB_EMPTY_ROOT(&em_tree->map)) {
- node = rb_first(&em_tree->map);
+ while (!RB_EMPTY_ROOT(&em_tree->map.rb_root)) {
+ node = rb_first_cached(&em_tree->map);
em = rb_entry(node, struct extent_map, rb_node);
remove_extent_mapping(em_tree, em);