RDMA/mlx4: Remove unused parameter udata

The old version of ib_umem_get() need these udata as a parameter but now
they are unnecessary.

Fixes: c320e527 ("IB: Allow calls to ib_umem_get from kernel ULPs")
Link: https://lore.kernel.org/r/1620807142-39157-3-git-send-email-liweihang@huawei.comSigned-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/mlx4/cq.c

@@ -135,7 +135,7 @@ static void mlx4_ib_free_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf *
 	mlx4_buf_free(dev->dev, (cqe + 1) * buf->entry_size, &buf->buf);
 }
 
-static int mlx4_ib_get_cq_umem(struct mlx4_ib_dev *dev, struct ib_udata *udata,
+static int mlx4_ib_get_cq_umem(struct mlx4_ib_dev *dev,
 			       struct mlx4_ib_cq_buf *buf,
 			       struct ib_umem **umem, u64 buf_addr, int cqe)
 {
@@ -210,7 +210,7 @@ int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
 		}
 
 		buf_addr = (void *)(unsigned long)ucmd.buf_addr;
-		err = mlx4_ib_get_cq_umem(dev, udata, &cq->buf, &cq->umem,
+		err = mlx4_ib_get_cq_umem(dev, &cq->buf, &cq->umem,
 					  ucmd.buf_addr, entries);
 		if (err)
 			goto err_cq;
@@ -327,8 +327,8 @@ static int mlx4_alloc_resize_umem(struct mlx4_ib_dev *dev, struct mlx4_ib_cq *cq
 	if (!cq->resize_buf)
 		return -ENOMEM;
 
-	err = mlx4_ib_get_cq_umem(dev, udata, &cq->resize_buf->buf,
-				  &cq->resize_umem, ucmd.buf_addr, entries);
+	err = mlx4_ib_get_cq_umem(dev, &cq->resize_buf->buf, &cq->resize_umem,
+				  ucmd.buf_addr, entries);
 	if (err) {
 		kfree(cq->resize_buf);
 		cq->resize_buf = NULL;