From 169c246a30808588436794e96a97c61a01af9bed Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Wed, 24 Feb 2010 14:22:14 -0600 Subject: virtio: fix balloon without VIRTIO_BALLOON_F_STATS_VQ When running under qemu-kvm-0.11.0: BUG: unable to handle kernel paging request at 56e58955 ... Process vballoon (pid: 1297, ti=c7976000 task=c70a6ca0 task.ti=c7 ... Call Trace: [] ? balloon+0x1b3/0x440 [virtio_balloon] [] ? schedule+0x327/0x9d0 [] ? balloon+0x0/0x440 [virtio_balloon] [] ? kthread+0x74/0x80 [] ? kthread+0x0/0x80 [] ? kernel_thread_helper+0x6/0x30 need_stats_update should be zero-initialized. Signed-off-by: Rusty Russell Acked-by: Adam Litke --- drivers/virtio/virtio_balloon.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 3db3d242c3ee..369f2eebbad1 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -292,6 +292,7 @@ static int virtballoon_probe(struct virtio_device *vdev) vb->num_pages = 0; init_waitqueue_head(&vb->config_change); vb->vdev = vdev; + vb->need_stats_update = 0; /* We expect two virtqueues: inflate and deflate, * and optionally stat. */ -- cgit v1.2.3-58-ga151