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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: 5413d1b ("net: do not block BH while processing socket backlog") Signed-off-by: Eric Dumazet <email@example.com> Reported-by: Ricardo Nabinger Sanchez <firstname.lastname@example.org> Signed-off-by: David S. Miller <email@example.com>
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