hw/ppc/spapr: use qemu_get_nic_info() and pci_init_nic_devices()

Avoid directly referencing nd_table[] by first instantiating any
spapr-vlan devices using a qemu_get_nic_info() loop, then calling
pci_init_nic_devices() to do the rest.

No functional change intended.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>

hw/ppc/spapr.c

@@ -2796,6 +2796,7 @@ static void spapr_machine_init(MachineState *machine)
     MemoryRegion *sysmem = get_system_memory();
     long load_limit, fw_size;
     Error *resize_hpt_err = NULL;
+    NICInfo *nd;
 
     if (!filename) {
         error_report("Could not find LPAR firmware '%s'", bios_name);
@@ -2996,21 +2997,12 @@ static void spapr_machine_init(MachineState *machine)
 
     phb = spapr_create_default_phb();
 
-    for (i = 0; i < nb_nics; i++) {
-        NICInfo *nd = &nd_table[i];
-
-        if (!nd->model) {
-            nd->model = g_strdup("spapr-vlan");
-        }
-
-        if (g_str_equal(nd->model, "spapr-vlan") ||
-            g_str_equal(nd->model, "ibmveth")) {
-            spapr_vlan_create(spapr->vio_bus, nd);
-        } else {
-            pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL);
-        }
+    while ((nd = qemu_find_nic_info("spapr-vlan", true, "ibmveth"))) {
+        spapr_vlan_create(spapr->vio_bus, nd);
     }
 
+    pci_init_nic_devices(phb->bus, NULL);
+
     for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) {
         spapr_vscsi_create(spapr->vio_bus);
     }