diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 8bc5e8ccb091852dd53f262eb556fe5578a419a3..980e85a264c045359fe679323bd3a626b49db748 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -935,8 +935,10 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
 				}
 				ret = find_extent_in_eb(eb, bytenr,
 							*extent_item_pos, &eie);
-				ref->inode_list = eie;
 				free_extent_buffer(eb);
+				if (ret < 0)
+					goto out;
+				ref->inode_list = eie;
 			}
 			ret = ulist_add_merge(refs, ref->parent,
 					      (uintptr_t)ref->inode_list,