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| author | roel kluin <roel.kluin@gmail.com> | 2009-08-09 04:00:25 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-09 21:46:53 -0700 |
| commit | be12159b24c532b4b48bdec5a543336438faa132 (patch) | |
| tree | 27c2df1d95f482376b108c277a92297c61f6111a /drivers/net/zorro8390.c | |
| parent | 5e33b719c8fcccfedc1d25167826a0f93fe6c5a1 (diff) | |
| download | lwn-be12159b24c532b4b48bdec5a543336438faa132.tar.gz lwn-be12159b24c532b4b48bdec5a543336438faa132.zip | |
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.c | 3 |
1 files changed, 3 insertions, 0 deletions
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(); |