diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index de205d59b74b..f49475dfa954 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1868,6 +1868,7 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
 			ctl->total_bitmaps--;
 		}
 		kmem_cache_free(btrfs_free_space_cachep, info);
+		ret = 0;
 		goto out_lock;
 	}
 
@@ -1875,7 +1876,8 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
 		unlink_free_space(ctl, info);
 		info->offset += bytes;
 		info->bytes -= bytes;
-		link_free_space(ctl, info);
+		ret = link_free_space(ctl, info);
+		WARN_ON(ret);
 		goto out_lock;
 	}