virtio_net: enable VQs early on restore
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 14 Oct 2014 23:52:32 +0000 (10:22 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 14 Oct 2014 23:55:10 +0000 (10:25 +1030)
commite53fbd11e983e896adaabef2d2f1695d6e0af829
tree244d1ca5e77124d98f3b7a962b9185605bec5533
parent401bbdc901b268113d7c562616feb7fc37492aca
virtio_net: enable VQs early on restore

virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after restore returns, virtio net violated this
rule by using receive VQs within restore.

To fix, call virtio_device_ready before using VQs.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/net/virtio_net.c