drivers:net: dma_alloc_coherent: use __GFP_ZERO instead of memset(, 0)

[linux-2.6-block.git] / drivers / net / ethernet / marvell / pxa168_eth.c

diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 3ae4c7f0834d132159a35ea76375dca05689bab8..339bb323cb0c99c91bf2741cbfea918e7ae4499d 100644 (file)
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -584,12 +584,14 @@ static int init_hash_table(struct pxa168_eth_private *pep)
         */
        if (pep->htpr == NULL) {
                pep->htpr = dma_alloc_coherent(pep->dev->dev.parent,
-                                             HASH_ADDR_TABLE_SIZE,
-                                             &pep->htpr_dma, GFP_KERNEL);
+                                              HASH_ADDR_TABLE_SIZE,
+                                              &pep->htpr_dma,
+                                              GFP_KERNEL | __GFP_ZERO);
                if (pep->htpr == NULL)
                        return -ENOMEM;
+       } else {
+               memset(pep->htpr, 0, HASH_ADDR_TABLE_SIZE);
        }
-       memset(pep->htpr, 0, HASH_ADDR_TABLE_SIZE);
        wrl(pep, HTPR, pep->htpr_dma);
        return 0;
 }
@@ -1023,11 +1025,11 @@ static int rxq_init(struct net_device *dev)
        size = pep->rx_ring_size * sizeof(struct rx_desc);
        pep->rx_desc_area_size = size;
        pep->p_rx_desc_area = dma_alloc_coherent(pep->dev->dev.parent, size,
-                                               &pep->rx_desc_dma, GFP_KERNEL);
+                                                &pep->rx_desc_dma,
+                                                GFP_KERNEL | __GFP_ZERO);
        if (!pep->p_rx_desc_area)
                goto out;
 
-       memset((void *)pep->p_rx_desc_area, 0, size);
        /* initialize the next_desc_ptr links in the Rx descriptors ring */
        p_rx_desc = pep->p_rx_desc_area;
        for (i = 0; i < rx_desc_num; i++) {
@@ -1084,10 +1086,10 @@ static int txq_init(struct net_device *dev)
        size = pep->tx_ring_size * sizeof(struct tx_desc);
        pep->tx_desc_area_size = size;
        pep->p_tx_desc_area = dma_alloc_coherent(pep->dev->dev.parent, size,
-                                               &pep->tx_desc_dma, GFP_KERNEL);
+                                                &pep->tx_desc_dma,
+                                                GFP_KERNEL | __GFP_ZERO);
        if (!pep->p_tx_desc_area)
                goto out;
-       memset((void *)pep->p_tx_desc_area, 0, pep->tx_desc_area_size);
        /* Initialize the next_desc_ptr links in the Tx descriptors ring */
        p_tx_desc = pep->p_tx_desc_area;
        for (i = 0; i < tx_desc_num; i++) {