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netvsc: need napi scheduled during removal
Since rndis_halt_device waits until all outstanding sends and receives are completed. Netvsc device needs to still schedule NAPI to see those completions. Fixes: 2506b1dc4bbe ("netvsc: implement NAPI") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -91,15 +91,6 @@ static void free_netvsc_device(struct netvsc_device *nvdev)
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}
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static inline bool netvsc_channel_idle(const struct netvsc_device *net_device,
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u16 q_idx)
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{
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const struct netvsc_channel *nvchan = &net_device->chan_table[q_idx];
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return atomic_read(&net_device->num_outstanding_recvs) == 0 &&
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atomic_read(&nvchan->queue_sends) == 0;
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}
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static struct netvsc_device *get_outbound_net_device(struct hv_device *device)
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{
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struct netvsc_device *net_device = hv_device_to_netvsc_device(device);
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@ -1273,13 +1264,10 @@ void netvsc_channel_cb(void *context)
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if (unlikely(!ndev))
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return;
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net_device = net_device_to_netvsc_device(ndev);
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if (unlikely(net_device->destroy) &&
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netvsc_channel_idle(net_device, q_idx))
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return;
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/* disable interupts from host */
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hv_begin_read(&channel->inbound);
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net_device = net_device_to_netvsc_device(ndev);
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napi_schedule(&net_device->chan_table[q_idx].napi);
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}
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