netdev - [PATCH] 8139too: fix buffer overrun in rtl8139_init

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Message-ID: <20100605094549.GA11559@hera.kernel.org>
Date:	Sat, 5 Jun 2010 09:45:49 +0000
From:	Denis Kirjanov <dkirjanov@...a.kernel.org>
To:	davem@...emloft.net
Cc:	jeff@...zik.org, netdev@...r.kernel.org
Subject: [PATCH] 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@...nel.org>
---
drivers/net/8139too.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index cc7d462..149253d 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%x\n", RTL_R32 (TxConfig));
 	tp->chipset = 0;
--
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