1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 68d50429ddf3..ea65f7ec360a 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2597,7 +2597,7 @@ static int __devinit sbmac_probe(struct platform_device *pldev)
 
         res = platform_get_resource(pldev, IORESOURCE_MEM, 0);
         BUG_ON(!res);
-        sbm_base = ioremap_nocache(res->start, res->end - res->start + 1);
+        sbm_base = ioremap_nocache(res->start, resource_size(res));
         if (!sbm_base) {
                 printk(KERN_ERR "%s: unable to map device registers\n",
                        dev_name(&pldev->dev));