X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwan%2Fn2.c;h=b7d88db89a5c7918e5a827aeb6465cab7b5411a7;hb=ff23eca3e8f613034e0d20ff86f6a89b62f5a14e;hp=cd32751b64eb6e6f6e8355a54a21e3cf751b15cc;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6

diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index cd32751b64..b7d88db89a 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);