Jason Wang
2018-Oct-11 09:44 UTC
[PATCH] virtio_net: enable tx after resuming from suspend
On 2018?10?11? 15:51, Ake Koomsin wrote:> commit 713a98d90c5e ("virtio-net: serialize tx routine during reset") > disabled the virtio tx before going to suspend to avoid a use after free. > However, after resuming, it causes the virtio_net device to lose its > network connectivity. > > To solve the issue, we need to enable tx after resuming. > > Fixes commit 713a98d90c5e ("virtio-net: serialize tx routine during reset") > Signed-off-by: Ake Koomsin <ake at igel.co.jp> > --- > drivers/net/virtio_net.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index dab504ec5e50..3453d80f5f81 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -2256,6 +2256,7 @@ static int virtnet_restore_up(struct virtio_device *vdev) > } > > netif_device_attach(vi->dev); > + netif_start_queue(vi->dev);I believe this is duplicated with netif_tx_wake_all_queues() in netif_device_attach() above? Thanks> return err; > } >