diff --git a/[refs] b/[refs]
index 6ce5aac88592..a0f2d4ba683d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f172393952a8771ca8970b8fcdd332a5a6ea0f56
+refs/heads/master: 5c2d867fdcbc11a6862379ebd60b2c1a66e13671
diff --git a/trunk/fs/btrfs/backref.c b/trunk/fs/btrfs/backref.c
index 3dd0693bad78..ba0fee7c3237 100644
--- a/trunk/fs/btrfs/backref.c
+++ b/trunk/fs/btrfs/backref.c
@@ -1510,11 +1510,9 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
 						iterate, ctx);
 		}
 		ulist_free(roots);
-		roots = NULL;
 	}
 
 	free_leaf_list(refs);
-	ulist_free(roots);
 out:
 	if (!search_commit_root) {
 		btrfs_put_tree_mod_seq(fs_info, &tree_mod_seq_elem);