[PATCH] r8169:Fill with zero Tx descriptors
From: Corcodel Marian <hidden>
Date: 2015-08-05 10:46:59
Subsystem:
8169 10/100/1000 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted>
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