[RFC PATCH 24/27] virtio-snd: Add code to device unrealize function

[Shreyansh Chouhan]

Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh2702@gmail.com>
---
 hw/audio/virtio-snd.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c
index 5f12375d95..e2e47e9467 100644
--- a/hw/audio/virtio-snd.c
+++ b/hw/audio/virtio-snd.c
@@ -1006,8 +1006,34 @@ static void virtio_snd_device_realize(DeviceState *dev, 
Error **errp)
     }
 }
 
+/*
+ * Frees the resources allocated to the device and then frees the device
+ * itself.
+ *
+ * @dev: VirtIOSound card device
+ */
 static void virtio_snd_device_unrealize(DeviceState *dev)
 {
+    VirtIOSound *s = VIRTIO_SOUND(dev);
+
+    for (int i = 0; i < s->snd_conf.streams; i++) {
+        virtio_snd_pcm_release_impl(s, i);
+        g_free(s->pcm_params[i]);
+        s->pcm_params[i] = NULL;
+    }
+    g_free(s->streams);
+    s->streams = NULL;
+    g_free(s->pcm_params);
+    s->pcm_params = NULL;
+
+    for (int i = 0; i < s->snd_conf.jacks; i++) {
+        g_free(s->jacks[i]);
+        s->jacks[i] = NULL;
+    }
+    g_free(s->jacks);
+    s->jacks = NULL;
+
+    virtio_delete_queue(s->ctrl_vq);
 }
 
 static void virtio_snd_reset(VirtIODevice *vdev)
-- 
2.25.1