[PATCH v1 3/4] virtio-snd: factor card removal out of unrealize()

[Manos Pitsidianakis]

Extract audio card removal logic out of the device unrealize callback so
that it can be re-used in follow up commits.

Signed-off-by: Manos Pitsidianakis <manos.pitsidiana...@linaro.org>
---
 hw/audio/virtio-snd.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c
index 82dd320ebe..a9cfaea046 100644
--- a/hw/audio/virtio-snd.c
+++ b/hw/audio/virtio-snd.c
@@ -1343,15 +1343,11 @@ static inline void 
virtio_snd_pcm_flush(VirtIOSoundPCMStream *stream)
     }
 }
 
-static void virtio_snd_unrealize(DeviceState *dev)
+/* Remove audio card and cleanup streams. */
+static void virtio_snd_unsetup(VirtIOSound *vsnd)
 {
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
-    VirtIOSound *vsnd = VIRTIO_SND(dev);
     VirtIOSoundPCMStream *stream;
 
-    qemu_del_vm_change_state_handler(vsnd->vmstate);
-    trace_virtio_snd_unrealize(vsnd);
-
     if (vsnd->pcm) {
         if (vsnd->pcm->streams) {
             for (uint32_t i = 0; i < vsnd->snd_conf.streams; i++) {
@@ -1370,6 +1366,18 @@ static void virtio_snd_unrealize(DeviceState *dev)
         vsnd->pcm = NULL;
     }
     AUD_remove_card(&vsnd->card);
+}
+
+static void virtio_snd_unrealize(DeviceState *dev)
+{
+    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+    VirtIOSound *vsnd = VIRTIO_SND(dev);
+
+    qemu_del_vm_change_state_handler(vsnd->vmstate);
+    trace_virtio_snd_unrealize(vsnd);
+
+    virtio_snd_unsetup(vsnd);
+
     qemu_mutex_destroy(&vsnd->cmdq_mutex);
     virtio_delete_queue(vsnd->queues[VIRTIO_SND_VQ_CONTROL]);
     virtio_delete_queue(vsnd->queues[VIRTIO_SND_VQ_EVENT]);
-- 
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