diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c
index 571d82f8008c..7df23dc28190 100644
--- a/drivers/net/defxx.c
+++ b/drivers/net/defxx.c
@@ -566,6 +566,7 @@ static int __devinit dfx_register(struct device *bdev)
 		bp->base.mem = ioremap_nocache(bar_start, bar_len);
 		if (!bp->base.mem) {
 			printk(KERN_ERR "%s: Cannot map MMIO\n", print_name);
+			err = -ENOMEM;
 			goto err_out_region;
 		}
 	} else {