net/mlx4: fix Tx doorbell register unmap

[dpdk.git] / drivers / net / mlx4 / mlx4.c

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 252658f..9bca0ce 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -314,8 +314,10 @@ static void
 mlx4_dev_stop(struct rte_eth_dev *dev)
 {
        struct mlx4_priv *priv = dev->data->dev_private;
+#ifdef HAVE_IBV_MLX4_UAR_MMAP_OFFSET
        const size_t page_size = sysconf(_SC_PAGESIZE);
        int i;
+#endif
 
        if (!priv->started)
                return;
@@ -329,6 +331,7 @@ mlx4_dev_stop(struct rte_eth_dev *dev)
        mlx4_flow_sync(priv, NULL);
        mlx4_rxq_intr_disable(priv);
        mlx4_rss_deinit(priv);
+#ifdef HAVE_IBV_MLX4_UAR_MMAP_OFFSET
        for (i = 0; i != dev->data->nb_tx_queues; ++i) {
                struct txq *txq;
 
@@ -338,6 +341,7 @@ mlx4_dev_stop(struct rte_eth_dev *dev)
                munmap((void *)RTE_ALIGN_FLOOR((uintptr_t)txq->msq.db,
                                               page_size), page_size);
        }
+#endif
 }
 
 /**