[ovs-dev] [PATCH net-next] openvswitch: fix vport-netdev unregister

[Jesse Gross]

On Tue, Oct 8, 2013 at 8:07 PM, Alexei Starovoitov <ast at plumgrid.com> wrote:
> The combination of two commits
>
> commit 8e4e1713e4
> ("openvswitch: Simplify datapath locking.")
>
> and
>
> commit 2537b4dd0a
> ("openvswitch:: link upper device for port devices")
>
> introduced a bug where upper_dev wasn't unlinked upon
> netdev_unregister notification
>
> The following steps:
>
>   modprobe openvswitch
>   ovs-dpctl add-dp test
>   ip tuntap add dev tap1 mode tap
>   ovs-dpctl add-if test tap1
>   ip tuntap del dev tap1 mode tap
>
> are causing multiple warnings:

[...]

Hmm, you are right. Pravin mentioned some concerns about layering with
this patch so I believe he's trying to think of a way to minimize
that.