RDMA/cm: Read id.state under lock when doing pr_debug()

The lock should not be dropped before doing the pr_debug() print as it is
accessing data protected by the lock, such as id.state.

Fixes: 119bf817 ("IB/cm: Add debug prints to ib_cm")
Link: https://lore.kernel.org/r/20200310092545.251365-7-leon@kernel.org


Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>