1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 6c6a02869dfc..27125cdd7e01 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1169,7 +1169,7 @@ static int __init macb_probe(struct platform_device *pdev)
         clk_enable(bp->hclk);
 #endif
 
-        bp->regs = ioremap(regs->start, regs->end - regs->start + 1);
+        bp->regs = ioremap(regs->start, resource_size(regs));
         if (!bp->regs) {
                 dev_err(&pdev->dev, "failed to map registers, aborting.\n");
                 err = -ENOMEM;