From: Denis Kirjanov <dkirjanov@kernel.org>
Date: Mon, 7 Jun 2010 08:13:57 +0000 (-0700)
Subject: 8139too: fix buffer overrun in rtl8139_init_board
X-Git-Tag: cont_sys_log_2~2^2~2
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=3fd7fa4a89f0b85b9b33e922f15a2289c0fb8499

8139too: fix buffer overrun in rtl8139_init_board

Fix rtl_chip_info buffer overrun when we can't identify the chip.
(i = ARRAY_SIZE (rtl_chip_info) in this case)

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 4ba7293..80cd074 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -860,6 +860,7 @@ retry:
 		}
 
 	/* if unknown chip, assume array element #0, original RTL-8139 in this case */
+	i = 0;
 	dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n");
 	dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig));
 	tp->chipset = 0;