Re: [syzbot] [rdma?] WARNING in res_to_rt

[Zhu Yanjun]

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index cc24fddf9aaa..35e463a20ade 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3531,7 +3531,8 @@ static void addr_handler(int status, struct 
sockaddr *src_addr,
                if (status)
                        pr_debug_ratelimited("RDMA CM: ADDR_ERROR: 
failed to acquire device. status %d\n",
                                             status);
-               rdma_restrack_add(&id_priv->res);
+               if (id_priv->id.device)
+                       rdma_restrack_add(&id_priv->res);
        } else if (status) {
                pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to 
resolve IP. status %d\n", status);
        }