On 2021/4/6 16:41, Leon Romanovsky wrote: >> diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c >> index da8adad..ee5ab1c 100644 >> --- a/drivers/infiniband/core/iwcm.c >> +++ b/drivers/infiniband/core/iwcm.c >> @@ -211,7 +211,7 @@ static void free_cm_id(struct iwcm_id_private *cm_id_priv) >> */ >> static int iwcm_deref_id(struct iwcm_id_private *cm_id_priv) >> { >> - BUG_ON(atomic_read(&cm_id_priv->refcount)==0); >> + BUG_ON(atomic_read(&cm_id_priv->refcount) == 0); > Simply delete this BUG_ON. > > Thanks > Sure, thank you. Weihang