mwl8k: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 9a3d4d6724f70324328f8d00f4bc52159fc76622..fc6cb215e761c18ce5ec1d53dc218494017647e6 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1159,12 +1159,11 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index)
 
        size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size;
 
-       rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma);
+       rxq->rxd = pci_zalloc_consistent(priv->pdev, size, &rxq->rxd_dma);
        if (rxq->rxd == NULL) {
                wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n");
                return -ENOMEM;
        }
-       memset(rxq->rxd, 0, size);
 
        rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL);
        if (rxq->buf == NULL) {
@@ -1451,12 +1450,11 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index)
 
        size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc);
 
-       txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma);
+       txq->txd = pci_zalloc_consistent(priv->pdev, size, &txq->txd_dma);
        if (txq->txd == NULL) {
                wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n");
                return -ENOMEM;
        }
-       memset(txq->txd, 0, size);
 
        txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL);
        if (txq->skb == NULL) {