1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 9f81b1ac130e..fe57eee8a679 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -867,10 +867,11 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
                                 "Error while parsing device node resource\n" );
                 goto err_netdev;
         }
-        if ((mem.end - mem.start + 1) < sizeof(struct mpc52xx_fec)) {
+        if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
                 printk(KERN_ERR DRIVER_NAME
-                        " - invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
-                        (unsigned long)(mem.end - mem.start + 1), sizeof(struct mpc52xx_fec));
+                       " - invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
+                       (unsigned long)resource_size(&mem),
+                       sizeof(struct mpc52xx_fec));
                 rv = -EINVAL;
                 goto err_netdev;
         }