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authorMichael S. Tsirkin <mst@redhat.com>2014-10-15 01:52:30 +0200
committerRusty Russell <rusty@rustcorp.com.au>2014-10-15 01:55:02 +0200
commit4baf1e33d0842c9673fef4af207d4b74da8d0126 (patch)
tree3279682df4375f86a880c0027a8de2a660eb3d31 /drivers/net/virtio_net.c
parentvirtio: add API to enable VQs early (diff)
downloadlinux-4baf1e33d0842c9673fef4af207d4b74da8d0126.tar.xz
linux-4baf1e33d0842c9673fef4af207d4b74da8d0126.zip
virtio_net: enable VQs early
virtio spec requires drivers to set DRIVER_OK before using VQs. This is set automatically after probe returns, virtio net violated this rule by using receive VQs within probe. 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.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ef04d2394282..aba7b93286b3 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1792,6 +1792,8 @@ static int virtnet_probe(struct virtio_device *vdev)
goto free_vqs;
}
+ virtio_device_ready(vdev);
+
/* Last of all, set up some receive buffers. */
for (i = 0; i < vi->curr_queue_pairs; i++) {
try_fill_recv(&vi->rq[i], GFP_KERNEL);