From be12159b24c532b4b48bdec5a543336438faa132 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Sun, 9 Aug 2009 04:00:25 +0000
Subject: [PATCH] zorro8390: Fix read buffer overflow in zorro8390_init_one()
Prevent read from cards[-1] when no card was found.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/zorro8390.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 37c84e3b8be0..81c753a617ab 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -120,6 +120,9 @@ static int __devinit zorro8390_init_one(struct zorro_dev *z,
for (i = ARRAY_SIZE(cards)-1; i >= 0; i--)
if (z->id == cards[i].id)
break;
+ if (i < 0)
+ return -ENODEV;
+
board = z->resource.start;
ioaddr = board+cards[i].offset;
dev = alloc_ei_netdev();
--
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