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| author |   Michael S. Tsirkin <mst@redhat.com> | 2014-10-15 10:22:32 +1030 |
|---|---|---|
| committer |   Rusty Russell <rusty@rustcorp.com.au> | 2014-10-15 10:25:10 +1030 |
| commit | e53fbd11e983e896adaabef2d2f1695d6e0af829 (patch) | |
| tree | 244d1ca5e77124d98f3b7a962b9185605bec5533 /drivers/net/virtio_net.c | |
| parent | virtio_console: enable VQs early on restore (diff) | |
| download | linux-dev-e53fbd11e983e896adaabef2d2f1695d6e0af829.tar.xz linux-dev-e53fbd11e983e896adaabef2d2f1695d6e0af829.zip | |
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>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 53031e58a5fc..4e0cbbcd60a7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1912,6 +1912,8 @@ static int virtnet_restore(struct virtio_device *vdev) if (err) return err; + virtio_device_ready(vdev); + if (netif_running(vi->dev)) { for (i = 0; i < vi->curr_queue_pairs; i++) if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) |