From patchwork Tue Nov 20 14:26:17 2012
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Subject: [3/4] virtio-rng: disable timer on device removal
Date: Tue, 20 Nov 2012 04:26:17 -0000
From: Amit Shah <amit.shah@redhat.com>
X-Patchwork-Id: 200347
Message-Id: <4174418d72ef8966c94434a814c2a67d5d33f646.1353421334.git.amit.shah@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Amit Shah <amit.shah@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,
 qemu list <qemu-devel@nongnu.org>

Disable the rate-limit timer on device remove (e.g. hot-unplug).

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>

---
hw/virtio-rng.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c
index cf5a8ff..c8a6da7 100644
--- a/hw/virtio-rng.c
+++ b/hw/virtio-rng.c
@@ -194,6 +194,8 @@ void virtio_rng_exit(VirtIODevice *vdev)
 {
     VirtIORNG *vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
 
+    qemu_del_timer(vrng->rate_limit_timer);
+    qemu_free_timer(vrng->rate_limit_timer);
     unregister_savevm(vrng->qdev, "virtio-rng", vrng);
     virtio_cleanup(vdev);
 }