hw/n*: pass owner to memory_region_init* functions

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 23a6b07..b39ff08 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2073,17 +2073,17 @@
 
     VMW_CBPRN("Starting init...");
 
-    memory_region_init_io(&s->bar0, NULL, &b0_ops, s,
+    memory_region_init_io(&s->bar0, OBJECT(s), &b0_ops, s,
                           "vmxnet3-b0", VMXNET3_PT_REG_SIZE);
     pci_register_bar(pci_dev, VMXNET3_BAR0_IDX,
                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
 
-    memory_region_init_io(&s->bar1, NULL, &b1_ops, s,
+    memory_region_init_io(&s->bar1, OBJECT(s), &b1_ops, s,
                           "vmxnet3-b1", VMXNET3_VD_REG_SIZE);
     pci_register_bar(pci_dev, VMXNET3_BAR1_IDX,
                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1);
 
-    memory_region_init(&s->msix_bar, NULL, "vmxnet3-msix-bar",
+    memory_region_init(&s->msix_bar, OBJECT(s), "vmxnet3-msix-bar",
                        VMXNET3_MSIX_BAR_SIZE);
     pci_register_bar(pci_dev, VMXNET3_MSIX_BAR_IDX,
                      PCI_BASE_ADDRESS_SPACE_MEMORY, &s->msix_bar);