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-rw-r--r--hw/virtio/virtio-rng.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index 17da2f8f3d..d7134646e2 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -69,6 +69,13 @@ static void chr_read(void *opaque, const void *buf, size_t size)
         g_free(elem);
     }
     virtio_notify(vdev, vrng->vq);
+
+    if (!virtio_queue_empty(vrng->vq)) {
+        /* If we didn't drain the queue, call virtio_rng_process
+         * to take care of asking for more data as appropriate.
+         */
+        virtio_rng_process(vrng);
+    }
 }
 
 static void virtio_rng_process(VirtIORNG *vrng)