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Rusty Russell authored
Michael S. Tsirkin noticed that we could run the refill work after ndo_close, which can re-enable napi - we don't disable it until virtnet_remove. This is clearly wrong, so move the workqueue control to ndo_open and ndo_stop (aka. virtnet_open and virtnet_close). One subtle point: virtnet_probe() could simply fail if it couldn't allocate a receive buffer, but that's less polite in virtnet_open() so we schedule a refill as we do in the normal receive path if we run out of memory. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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