diff --git a/hw/remote/proxy.c b/hw/remote/proxy.c
index 6dda705fc2..499f540c94 100644
--- a/hw/remote/proxy.c
+++ b/hw/remote/proxy.c
@@ -102,10 +102,18 @@ static void pci_proxy_dev_realize(PCIDevice *device, Error **errp)
     }
 
     dev->ioc = qio_channel_new_fd(fd, errp);
+    if (!dev->ioc) {
+        close(fd);
+        return;
+    }
 
     error_setg(&dev->migration_blocker, "%s does not support migration",
                TYPE_PCI_PROXY_DEV);
-    migrate_add_blocker(dev->migration_blocker, errp);
+    if (migrate_add_blocker(dev->migration_blocker, errp) < 0) {
+        error_free(dev->migration_blocker);
+        object_unref(dev->ioc);
+        return;
+    }
 
     qemu_mutex_init(&dev->io_mutex);
     qio_channel_set_blocking(dev->ioc, true, NULL);