netdev - [PATCH] r8169:Fill with zero Tx descriptors

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Date:	Wed,  5 Aug 2015 13:46:44 +0300
From:	Corcodel Marian <corcodel.marian@...il.com>
To:	netdev@...r.kernel.org
Cc:	Corcodel Marian <corcodel.marian@...il.com>
Subject: [PATCH] r8169:Fill with zero Tx descriptors

 This patch fill with zero Tx descriptors before use.Is only
 on    part by more patches but is critical.(critical)


Signed-off-by: Corcodel Marian <corcodel.marian@...il.com>

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 3df51fa..bf78f94 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7589,7 +7589,7 @@ static int rtl_open(struct net_device *dev)
 	 * Rx and Tx descriptors needs 256 bytes alignment.
 	 * dma_alloc_coherent provides more.
 	 */
-	tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
+	tp->TxDescArray = dma_zalloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
 					     &tp->TxPhyAddr, GFP_KERNEL);
 	if (!tp->TxDescArray)
 		goto err_pm_runtime_put;
-- 
2.1.4

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