linux-kernel - [PATCH 012/104] 8139cp: Fix skb leak in rx_status

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Date:	Thu, 10 Oct 2013 08:41:00 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Dave Jones <davej@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 012/104] 8139cp: Fix skb leak in rx_status_loop failure path.

3.8.13.11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dave Jones <davej@...hat.com>

[ Upstream commit d06f5187469eee1b2932c02fd093d113cfc60d5e ]

Introduced in cf3c4c03060b688cbc389ebc5065ebcce5653e96
("8139cp: Add dma_mapping_error checking")

Signed-off-by: Dave Jones <davej@...hat.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/net/ethernet/realtek/8139cp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 9af14e0..35014cf 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -524,6 +524,7 @@ rx_status_loop:
 					 PCI_DMA_FROMDEVICE);
 		if (dma_mapping_error(&cp->pdev->dev, new_mapping)) {
 			dev->stats.rx_dropped++;
+			kfree_skb(new_skb);
 			goto rx_next;
 		}
 
-- 
1.8.1.2

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