On Fri, Nov 10, 2023 at 06:38:58AM -0800, Haiyang Zhang wrote:
> The rtnl lock also needs to be held before rndis_filter_device_add()
> which advertises nvsp_2_vsc_capability / sriov bit, and triggers
> VF NIC offering and registering. If VF NIC finished register_netdev()
> earlier it may cause name based config failure.
>
> To fix this issue, move the call to rtnl_lock() before
> rndis_filter_device_add(), so VF will be registered later than netvsc
> / synthetic NIC, and gets a name numbered (ethX) after netvsc.
>
> Cc: sta...@vger.kernel.org
> Fixes: e04e7a7bbd4b ("hv_netvsc: Fix a deadlock by getting rtnl lock earlier
> in netvsc_probe()")
> Reported-by: Dexuan Cui <de...@microsoft.com>
> Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
> Reviewed-by: Wojciech Drewek <wojciech.dre...@intel.com>
Reviewed-by: Simon Horman <ho...@kernel.org>
