hw/rdma: Do not call rdma_backend_del_gid on an empty gid

When device goes down the function fini_ports loops over all entries in
gid table regardless of the fact whether entry is valid or not. In case
that entry is not valid we'd like to skip from any further processing in
backend device.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>

diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c
index ca127c8c26e8f3f44e037a6d84f6bddba636968a..f5b129589025181042460a8c8059d89249992111 100644 (file)
--- a/hw/rdma/rdma_rm.c
+++ b/hw/rdma/rdma_rm.c
@@ -555,6 +555,10 @@ int rdma_rm_del_gid(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev,
 {
     int rc;
 
+    if (!dev_res->port.gid_tbl[gid_idx].gid.global.interface_id) {
+        return 0;
+    }
+
     rc = rdma_backend_del_gid(backend_dev, ifname,
                               &dev_res->port.gid_tbl[gid_idx].gid);
     if (rc) {