tcp: tcp_probe: use spin_lock_bh()
tcp_rcv_established() can now run in process context. We need to disable BH while acquiring tcp probe spinlock, or risk a deadlock. Fixes: 5413d1ba ("net: do not block BH while processing socket backlog") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Ricardo Nabinger Sanchez <rnsanchez@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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