diff --git a/drivers/net/ethernet/mellanox/mlx4/crdump.c b/drivers/net/ethernet/mellanox/mlx4/crdump.c
index 73eae80e1cb7..ac5468b77488 100644
--- a/drivers/net/ethernet/mellanox/mlx4/crdump.c
+++ b/drivers/net/ethernet/mellanox/mlx4/crdump.c
@@ -197,6 +197,7 @@ int mlx4_crdump_collect(struct mlx4_dev *dev)
 	err = devlink_region_snapshot_id_get(devlink, &id);
 	if (err) {
 		mlx4_err(dev, "crdump: devlink get snapshot id err %d\n", err);
+		iounmap(cr_space);
 		return err;
 	}