Re: Bad behavior by rdma-core ?

[Jason Gunthorpe <jgg@nvidia.com>]

On Thu, Oct 14, 2021 at 11:14:57AM -0500, Bob Pearson wrote:

> But ib_uverbs_destroy_ah does *not* call rdma_uverbs_destroy_ah() it just
> deletes the object.

ib_uverbs_destroy_ah
 uobj_perform_destroy
  __uobj_perform_destroy
   __uobj_get_destroy
    uobj_destroy
     uverbs_destroy_uobject:

    	} else if (uobj->object) {
		ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason,
								attrs);

Which calls 

destroy_hw_idr_uobject
  	int ret = idr_type->destroy_object(uobj, why, attrs);

Which links to this:

DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_AH,
			    UVERBS_TYPE_ALLOC_IDR(uverbs_free_ah),
			    &UVERBS_METHOD(UVERBS_METHOD_AH_DESTROY));

And thus calls

static int uverbs_free_ah(struct ib_uobject *uobject,
			  enum rdma_remove_reason why,
			  struct uverbs_attr_bundle *attrs)
{
	return rdma_destroy_ah_user((struct ib_ah *)uobject->object,
				    RDMA_DESTROY_AH_SLEEPABLE,
				    &attrs->driver_udata);
}

So, look along that path and find out where it goes wrong?

Jason