From: Joe Perches <joe@perches.com>
Date: Thu, 26 Jun 2014 00:43:19 +0000 (+1000)
Subject: rtl818x: use pci_zalloc_consistent
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0645fd92ed481cb87f58a3033cb0b92b799ca07b;p=karo-tx-linux.git

rtl818x: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 1e2592918fc6..7577e01b6152 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -964,16 +964,13 @@ static int rtl8180_init_rx_ring(struct ieee80211_hw *dev)
 	else
 		priv->rx_ring_sz = sizeof(struct rtl8180_rx_desc);
 
-	priv->rx_ring = pci_alloc_consistent(priv->pdev,
-					     priv->rx_ring_sz * 32,
-					     &priv->rx_ring_dma);
-
+	priv->rx_ring = pci_zalloc_consistent(priv->pdev, priv->rx_ring_sz * 32,
+					      &priv->rx_ring_dma);
 	if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
 		wiphy_err(dev->wiphy, "Cannot allocate RX ring\n");
 		return -ENOMEM;
 	}
 
-	memset(priv->rx_ring, 0, priv->rx_ring_sz * 32);
 	priv->rx_idx = 0;
 
 	for (i = 0; i < 32; i++) {
@@ -1032,14 +1029,14 @@ static int rtl8180_init_tx_ring(struct ieee80211_hw *dev,
 	dma_addr_t dma;
 	int i;
 
-	ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
+	ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries,
+				     &dma);
 	if (!ring || (unsigned long)ring & 0xFF) {
 		wiphy_err(dev->wiphy, "Cannot allocate TX ring (prio = %d)\n",
 			  prio);
 		return -ENOMEM;
 	}
 
-	memset(ring, 0, sizeof(*ring)*entries);
 	priv->tx_ring[prio].desc = ring;
 	priv->tx_ring[prio].dma = dma;
 	priv->tx_ring[prio].idx = 0;