1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 1874aee69c86..225302b39afb 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -75,6 +75,8 @@ void free_extent_map(struct extent_map *em)
         if (atomic_dec_and_test(&em->refs)) {
                 WARN_ON(extent_map_in_tree(em));
                 WARN_ON(!list_empty(&em->list));
+                if (test_bit(EXTENT_FLAG_FS_MAPPING, &em->flags))
+                        kfree(em->bdev);
                 kmem_cache_free(extent_map_cache, em);
         }
 }