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zorro8390: Fix read buffer overflow in zorro8390_init_one()

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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>
This commit is contained in:
roel kluin 2009-08-09 04:00:25 +00:00 committed by David S. Miller
parent 5e33b719c8
commit be12159b24
1 changed files with 3 additions and 0 deletions
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3
drivers/net/zorro8390.c
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@ -120,6 +120,9 @@ static int __devinit zorro8390_init_one(struct zorro_dev *z,
for (i = ARRAY_SIZE(cards)-1; i >= 0; i--) for (i = ARRAY_SIZE(cards)-1; i >= 0; i--)
if (z->id == cards[i].id) if (z->id == cards[i].id)
break; break;
if (i < 0)
return -ENODEV;
board = z->resource.start; board = z->resource.start;
ioaddr = board+cards[i].offset; ioaddr = board+cards[i].offset;
dev = alloc_ei_netdev(); dev = alloc_ei_netdev();