commit be12159b24c532b4b48bdec5a543336438faa132
author roel kluin <roel.kluin@gmail.com> Sun Aug 09 04:00:25 2009 +0000
committer David S. Miller <davem@davemloft.net> Sun Aug 09 21:46:53 2009 -0700
tree 27c2df1d95f482376b108c277a92297c61f6111a
parent 5e33b719c8fcccfedc1d25167826a0f93fe6c5a1

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

diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 37c84e3..81c753a 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -120,6 +120,9 @@
     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();