hw: Simplify calls to pci_nic_init_nofail()

pci_nic_init_nofail() calls qemu_find_nic_model(), and this function
sets nd->model = g_strdup(default_model) if it has not been initialized
yet. So we don't have to set nd->model to the default_nic in the
calling sites.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/arm/sbsa-ref.c

@@ -689,13 +689,7 @@ static void create_pcie(SBSAMachineState *sms)
     pci = PCI_HOST_BRIDGE(dev);
     if (pci->bus) {
         for (i = 0; i < nb_nics; i++) {
-            NICInfo *nd = &nd_table[i];
-
-            if (!nd->model) {
-                nd->model = g_strdup(mc->default_nic);
-            }
-
-            pci_nic_init_nofail(nd, pci->bus, nd->model, NULL);
+            pci_nic_init_nofail(&nd_table[i], pci->bus, mc->default_nic, NULL);
         }
     }
 

hw/arm/virt.c

@@ -1479,13 +1479,7 @@ static void create_pcie(VirtMachineState *vms)
     vms->bus = pci->bus;
     if (vms->bus) {
         for (i = 0; i < nb_nics; i++) {
-            NICInfo *nd = &nd_table[i];
-
-            if (!nd->model) {
-                nd->model = g_strdup(mc->default_nic);
-            }
-
-            pci_nic_init_nofail(nd, pci->bus, nd->model, NULL);
+            pci_nic_init_nofail(&nd_table[i], pci->bus, mc->default_nic, NULL);
         }
     }
 

hw/loongarch/virt.c

@@ -547,13 +547,7 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState *
 
     /* Network init */
     for (i = 0; i < nb_nics; i++) {
-        NICInfo *nd = &nd_table[i];
-
-        if (!nd->model) {
-            nd->model = g_strdup(mc->default_nic);
-        }
-
-        pci_nic_init_nofail(nd, pci_bus, nd->model, NULL);
+        pci_nic_init_nofail(&nd_table[i], pci_bus, mc->default_nic, NULL);
     }
 
     /*

hw/mips/loongson3_virt.c

@@ -454,13 +454,7 @@ static inline void loongson3_virt_devices_init(MachineState *machine,
     }
 
     for (i = 0; i < nb_nics; i++) {
-        NICInfo *nd = &nd_table[i];
-
-        if (!nd->model) {
-            nd->model = g_strdup(mc->default_nic);
-        }
-
-        pci_nic_init_nofail(nd, pci_bus, nd->model, NULL);
+        pci_nic_init_nofail(&nd_table[i], pci_bus, mc->default_nic, NULL);
     }
 }
 

hw/xtensa/virt.c

@@ -103,13 +103,7 @@ static void create_pcie(MachineState *ms, CPUXtensaState *env, int irq_base,
     pci = PCI_HOST_BRIDGE(dev);
     if (pci->bus) {
         for (i = 0; i < nb_nics; i++) {
-            NICInfo *nd = &nd_table[i];
-
-            if (!nd->model) {
-                nd->model = g_strdup(mc->default_nic);
-            }
-
-            pci_nic_init_nofail(nd, pci->bus, nd->model, NULL);
+            pci_nic_init_nofail(&nd_table[i], pci->bus, mc->default_nic, NULL);
         }
     }
 }