diff options
Diffstat (limited to 'drivers/net/wan/n2.c')
| -rw-r--r-- | drivers/net/wan/n2.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c index cd32751b64e..b7d88db89a5 100644 --- a/drivers/net/wan/n2.c +++ b/drivers/net/wan/n2.c @@ -387,6 +387,11 @@ static int __init n2_run(unsigned long io, unsigned long irq, } card->phy_winbase = winbase; card->winbase = ioremap(winbase, USE_WINDOWSIZE); + if (!card->winbase) { + printk(KERN_ERR "n2: ioremap() failed\n"); + n2_destroy_card(card); + return -EFAULT; + } outb(0, io + N2_PCR); outb(winbase >> 12, io + N2_BAR); |