RDMA/cma: Add cm_id restrack resource based on kernel or user cm_id type

A recent regression causes a null ptr crash when dumping cm_id resources.
The cma is incorrectly adding all cm_id restrack resources as kernel mode.

Fixes: af8d70375d56 ("RDMA/restrack: Resource-tracker should not use uobject pointers")
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 63a7cc00bae0b1578254cd228e2a72feac084b03..84f077b2b90a7cb2afdfececa42a1f5639f9324f 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -494,7 +494,10 @@ static void _cma_attach_to_dev(struct rdma_id_private *id_priv,
        id_priv->id.route.addr.dev_addr.transport =
                rdma_node_get_transport(cma_dev->device->node_type);
        list_add_tail(&id_priv->list, &cma_dev->id_list);
-       rdma_restrack_kadd(&id_priv->res);
+       if (id_priv->res.kern_name)
+               rdma_restrack_kadd(&id_priv->res);
+       else
+               rdma_restrack_uadd(&id_priv->res);
 }
 
 static void cma_attach_to_dev(struct rdma_id_private *id_priv,