[PATCH -next 10/26] broadcom: Use dma_zalloc_coherent

[Joe Perches]

Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <j...@perches.com>
---
 drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c 
b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 3e8d1a8..8c61c81 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2165,27 +2165,25 @@ static int bcm_enetsw_open(struct net_device *dev)
 
        /* allocate rx dma ring */
        size = priv->rx_ring_size * sizeof(struct bcm_enet_desc);
-       p = dma_alloc_coherent(kdev, size, &priv->rx_desc_dma, GFP_KERNEL);
+       p = dma_zalloc_coherent(kdev, size, &priv->rx_desc_dma, GFP_KERNEL);
        if (!p) {
                dev_err(kdev, "cannot allocate rx ring %u\n", size);
                ret = -ENOMEM;
                goto out_freeirq_tx;
        }
 
-       memset(p, 0, size);
        priv->rx_desc_alloc_size = size;
        priv->rx_desc_cpu = p;
 
        /* allocate tx dma ring */
        size = priv->tx_ring_size * sizeof(struct bcm_enet_desc);
-       p = dma_alloc_coherent(kdev, size, &priv->tx_desc_dma, GFP_KERNEL);
+       p = dma_zalloc_coherent(kdev, size, &priv->tx_desc_dma, GFP_KERNEL);
        if (!p) {
                dev_err(kdev, "cannot allocate tx ring\n");
                ret = -ENOMEM;
                goto out_free_rx_ring;
        }
 
-       memset(p, 0, size);
        priv->tx_desc_alloc_size = size;
        priv->tx_desc_cpu = p;
 
-- 
1.8.1.2.459.gbcd45b4.dirty

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