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tx_timeout_show() assumed dev_watchdog() would stop all the queues, to fetch queue->trans_timeout under protection of the queue->_xmit_lock. As we want to no longer disrupt transmits, we use an atomic_long_t instead. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: david decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>