diff mbox series

[21/78] virtio: reset region cache when on queue deletion

Message ID 20200616141547.24664-22-mdroth@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show
Series Patch Round-up for stable 4.2.1, freeze on 2020-06-22 | expand

Commit Message

Michael Roth June 16, 2020, 2:14 p.m. UTC
From: Yuri Benditovich <yuri.benditovich@daynix.com>

https://bugzilla.redhat.com/show_bug.cgi?id=1708480
Fix leak of region reference that prevents complete
device deletion on hot unplug.

Cc: qemu-stable@nongnu.org
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20191226043649.14481-2-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 421afd2fe8dd4603216cbf36081877c391f5a2a4)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 hw/virtio/virtio.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 6de3cfdc2c..344d817644 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2338,6 +2338,7 @@  void virtio_delete_queue(VirtQueue *vq)
     vq->handle_aio_output = NULL;
     g_free(vq->used_elems);
     vq->used_elems = NULL;
+    virtio_virtqueue_reset_region_cache(vq);
 }
 
 void virtio_del_queue(VirtIODevice *vdev, int n)