RDMA/cm: Remove unused store to ret in cm_rej_handler

The 'goto out' label doesn't read ret, so don't set it.

Link: https://lore.kernel.org/r/20200506074701.9775-4-leon@kernel.orgSigned-off-by: Danit Goldberg <danitg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/cm.c

@@ -3056,7 +3056,6 @@ static int cm_rej_handler(struct cm_work *work)
 			 __func__, be32_to_cpu(cm_id_priv->id.local_id),
 			 cm_id_priv->id.state);
 		spin_unlock_irq(&cm_id_priv->lock);
-		ret = -EINVAL;
 		goto out;
 	}