char: rename CharDriverState Chardev

[qemu.git] / hw / misc / ivshmem.c

diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index abeaf3da080099bf654f6b39666db52839cd5303..846e903eb249399505555f47e5bfcccc8366a805 100644 (file)
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -840,6 +840,7 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
     uint8_t *pci_conf;
     uint8_t attr = PCI_BASE_ADDRESS_SPACE_MEMORY |
         PCI_BASE_ADDRESS_MEM_PREFETCH;
+    Error *local_err = NULL;
 
     /* IRQFD requires MSI */
     if (ivshmem_has_feature(s, IVSHMEM_IOEVENTFD) &&
@@ -868,7 +869,7 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
         s->ivshmem_bar2 = host_memory_backend_get_memory(s->hostmem,
                                                          &error_abort);
     } else {
-        CharDriverState *chr = qemu_chr_fe_get_driver(&s->server_chr);
+        Chardev *chr = qemu_chr_fe_get_driver(&s->server_chr);
         assert(chr);
 
         IVSHMEM_DPRINTF("using shared memory server (socket = %s)\n",
@@ -903,9 +904,6 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
         }
     }
 
-    vmstate_register_ram(s->ivshmem_bar2, DEVICE(s));
-    pci_register_bar(PCI_DEVICE(s), 2, attr, s->ivshmem_bar2);
-
     if (s->master == ON_OFF_AUTO_AUTO) {
         s->master = s->vm_id == 0 ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF;
     }
@@ -913,8 +911,16 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
     if (!ivshmem_is_master(s)) {
         error_setg(&s->migration_blocker,
                    "Migration is disabled when using feature 'peer mode' in device 'ivshmem'");
-        migrate_add_blocker(s->migration_blocker);
+        migrate_add_blocker(s->migration_blocker, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            error_free(s->migration_blocker);
+            return;
+        }
     }
+
+    vmstate_register_ram(s->ivshmem_bar2, DEVICE(s));
+    pci_register_bar(PCI_DEVICE(s), 2, attr, s->ivshmem_bar2);
 }
 
 static void ivshmem_exit(PCIDevice *dev)