diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5ee10d3..41b7d24 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1371,7 +1371,8 @@
 
 	struct btrfs_super_block *disk_super;
 
-	if (!extent_root || !tree_root || !fs_info) {
+	if (!extent_root || !tree_root || !fs_info ||
+	    !chunk_root || !dev_root) {
 		err = -ENOMEM;
 		goto fail;
 	}