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authorroel kluin <roel.kluin@gmail.com>2009-08-09 04:00:25 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-09 21:46:53 -0700
commitbe12159b24c532b4b48bdec5a543336438faa132 (patch)
tree27c2df1d95f482376b108c277a92297c61f6111a /drivers/net/zorro8390.c
parent5e33b719c8fcccfedc1d25167826a0f93fe6c5a1 (diff)
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>
Diffstat (limited to 'drivers/net/zorro8390.c')
-rw-r--r--drivers/net/zorro8390.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 37c84e3b8be..81c753a617a 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();