RDMA/cm: Remove needless cm_id variable

Just put the expression in the only reader

Link: https://lore.kernel.org/r/20200506074701.9775-10-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
1 file changed