diff options
Diffstat (limited to 'drivers/net/wan/n2.c')
| -rw-r--r-- | drivers/net/wan/n2.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c index cd32751b64e..e013b817cab 100644 --- a/drivers/net/wan/n2.c +++ b/drivers/net/wan/n2.c @@ -7,7 +7,7 @@ * under the terms of version 2 of the GNU General Public License * as published by the Free Software Foundation. * - * For information see http://hq.pm.waw.pl/hdlc/ + * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/> * * Note: integrated CSU/DSU/DDS are not supported by this driver * @@ -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); |