drivers:net: Convert dma_alloc_coherent(...__GFP_ZERO) to dma_zalloc_coherent

[deliverable/linux.git] / drivers / net / ethernet / intel / e1000 / e1000_ethtool.c

diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index ffd287196bf875560e40e5330c68e0a84b50e930..73a8aeefb92a46d13a4c73be6cade2c5d694e00f 100644 (file)
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -1019,13 +1019,12 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 
        txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
        txdr->size = ALIGN(txdr->size, 4096);
-       txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
-                                       GFP_KERNEL);
+       txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
+                                        GFP_KERNEL);
        if (!txdr->desc) {
                ret_val = 2;
                goto err_nomem;
        }
-       memset(txdr->desc, 0, txdr->size);
        txdr->next_to_use = txdr->next_to_clean = 0;
 
        ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
@@ -1078,13 +1077,12 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
        }
 
        rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
-       rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
-                                       GFP_KERNEL);
+       rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
+                                        GFP_KERNEL);
        if (!rxdr->desc) {
                ret_val = 6;
                goto err_nomem;
        }
-       memset(rxdr->desc, 0, rxdr->size);
        rxdr->next_to_use = rxdr->next_to_clean = 0;
 
        rctl = er32(RCTL);