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-rw-r--r--hw/virtio/dataplane/vring.c2
-rw-r--r--hw/virtio/virtio-balloon.c7
-rw-r--r--hw/virtio/virtio-rng.c15
3 files changed, 14 insertions, 10 deletions
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index 250d45ec3d..665a1ffcb3 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -376,7 +376,7 @@ int vring_pop(VirtIODevice *vdev, Vring *vring,
         barrier();
 
         if (desc.flags & VRING_DESC_F_INDIRECT) {
-            int ret = get_indirect(vring, elem, &desc);
+            ret = get_indirect(vring, elem, &desc);
             if (ret < 0) {
                 goto out;
             }
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index d9754dbd33..a470a0b3a6 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -263,7 +263,7 @@ static void virtio_balloon_get_config(VirtIODevice *vdev, uint8_t *config_data)
     config.num_pages = cpu_to_le32(dev->num_pages);
     config.actual = cpu_to_le32(dev->actual);
 
-    memcpy(config_data, &config, 8);
+    memcpy(config_data, &config, sizeof(struct virtio_balloon_config));
 }
 
 static void virtio_balloon_set_config(VirtIODevice *vdev,
@@ -272,7 +272,7 @@ static void virtio_balloon_set_config(VirtIODevice *vdev,
     VirtIOBalloon *dev = VIRTIO_BALLOON(vdev);
     struct virtio_balloon_config config;
     uint32_t oldactual = dev->actual;
-    memcpy(&config, config_data, 8);
+    memcpy(&config, config_data, sizeof(struct virtio_balloon_config));
     dev->actual = le32_to_cpu(config.actual);
     if (dev->actual != oldactual) {
         qemu_balloon_changed(ram_size -
@@ -343,7 +343,8 @@ static void virtio_balloon_device_realize(DeviceState *dev, Error **errp)
     VirtIOBalloon *s = VIRTIO_BALLOON(dev);
     int ret;
 
-    virtio_init(vdev, "virtio-balloon", VIRTIO_ID_BALLOON, 8);
+    virtio_init(vdev, "virtio-balloon", VIRTIO_ID_BALLOON,
+                sizeof(struct virtio_balloon_config));
 
     ret = qemu_add_balloon_handler(virtio_balloon_to_target,
                                    virtio_balloon_stat, s);
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index 755fdee628..a16e3bc52e 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -15,6 +15,7 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-rng.h"
 #include "sysemu/rng.h"
+#include "qom/object_interfaces.h"
 
 static bool is_guest_ready(VirtIORNG *vrng)
 {
@@ -148,6 +149,14 @@ static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
     if (vrng->conf.rng == NULL) {
         vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
 
+        user_creatable_complete(OBJECT(vrng->conf.default_backend),
+                                &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            object_unref(OBJECT(vrng->conf.default_backend));
+            return;
+        }
+
         object_property_add_child(OBJECT(dev),
                                   "default-backend",
                                   OBJECT(vrng->conf.default_backend),
@@ -166,12 +175,6 @@ static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
         return;
     }
 
-    rng_backend_open(vrng->rng, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
-
     vrng->vq = virtio_add_queue(vdev, 8, handle_input);
 
     assert(vrng->conf.max_bytes <= INT64_MAX);