falso
/
qemu-irix
mirror of https://github.com/n64decomp/qemu-irix.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

virtio-balloon: discard virtqueue element on reset 

The one pending element is being freed but not discarded on device
reset, which causes svq->inuse to creep up, eventually hitting the
"Virtqueue size exceeded" error.

Properly discarding the element on device reset makes sure that its
buffers are unmapped and the inuse counter stays balanced.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Roman Kagan <rkagan@virtuozzo.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 104e70cae7)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Ladi Prosek 2016-09-07 17:20:47 +02:00 committed by Michael Roth
parent 1af2c3fcb8
commit 44d28f22bc
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/virtio/virtio-balloon.c
View File

@ -478,6 +478,7 @@ static void virtio_balloon_device_reset(VirtIODevice *vdev)
VirtIOBalloon *s = VIRTIO_BALLOON(vdev);
if (s->stats_vq_elem != NULL) {
virtqueue_discard(s->svq, s->stats_vq_elem, 0);
g_free(s->stats_vq_elem);
s->stats_vq_elem = NULL;
}