IB/mlx4: Fix up SRQ limit_watermark endianness

mlx4_srq_query() returns a big-endian 16-bit value through an int *,
which screws up sparse checking.  Fix this so that a CPU-endian value
is returned.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/mlx4/srq.c

@@ -251,7 +251,7 @@ int mlx4_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
 	if (ret)
 		return ret;
 
-	srq_attr->srq_limit = be16_to_cpu(limit_watermark);
+	srq_attr->srq_limit = limit_watermark;
 	srq_attr->max_wr    = srq->msrq.max - 1;
 	srq_attr->max_sge   = srq->msrq.max_gs;
 

drivers/net/mlx4/srq.c

@@ -227,7 +227,7 @@ int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_waterm
 	err = mlx4_QUERY_SRQ(dev, mailbox, srq->srqn);
 	if (err)
 		goto err_out;
-	*limit_watermark = srq_context->limit_watermark;
+	*limit_watermark = be16_to_cpu(srq_context->limit_watermark);
 
 err_out:
 	mlx4_free_cmd_mailbox(dev, mailbox);