From: Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>
Date: Tue, 25 Apr 2017 15:59:17 -0400
> From: Willem de Bruijn <willemb@xxxxxxxxxx>
>
> As of tx napi, device down (`ip link set dev $dev down`) hangs unless
> tx napi is enabled. Else napi_enable is not called, so napi_disable
> will spin on test_and_set_bit NAPI_STATE_SCHED.
>
> Only call napi_disable if tx napi is enabled.
>
> Fixes: 5a719c2552ca ("virtio-net: transmit napi")
> Reported-by: Jason Wang <jasowang@xxxxxxxxxx>
> Signed-off-by: Willem de Bruijn <willemb@xxxxxxxxxx>
Applied, thanks.
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