diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index c2a5780cb394e..6cdd98ec9c1e2 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6933,7 +6933,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
 	dev->port = kcalloc(num_ports, sizeof(*dev->port),
 			     GFP_KERNEL);
 	if (!dev->port) {
-		ib_dealloc_device((struct ib_device *)dev);
+		ib_dealloc_device(&dev->ib_dev);
 		return NULL;
 	}