Use the EEPRO100() QOM type-checking macro to avoid DO_UPCAST().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/net/eepro100.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index dac42ba17b..915935a818 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -1828,7 +1828,7 @@ static const VMStateDescription vmstate_eepro100 = {
 
 static void pci_nic_uninit(PCIDevice *pci_dev)
 {
-    EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
+    EEPRO100State *s = EEPRO100(pci_dev);
 
     vmstate_unregister(VMSTATE_IF(&pci_dev->qdev), s->vmstate, s);
     g_free(s->vmstate);
@@ -1844,7 +1844,7 @@ static NetClientInfo net_eepro100_info = {
 
 static void e100_nic_realize(PCIDevice *pci_dev, Error **errp)
 {
-    EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
+    EEPRO100State *s = EEPRO100(pci_dev);
     E100PCIDeviceInfo *info = eepro100_get_class(s);
     Error *local_err = NULL;
 
@@ -1895,7 +1895,7 @@ static void e100_nic_realize(PCIDevice *pci_dev, Error **errp)
 
 static void eepro100_instance_init(Object *obj)
 {
-    EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, PCI_DEVICE(obj));
+    EEPRO100State *s = EEPRO100(obj);
     device_add_bootindex_property(obj, &s->conf.bootindex,
                                   "bootindex", "/ethernet-phy@0",
                                   DEVICE(s));
-- 
2.38.1