diff -r ba8a75cb1c98 -r c1b564299829 master/cdev.c
--- a/master/cdev.c	Mon Oct 25 15:56:19 2010 +0200
+++ b/master/cdev.c	Mon Oct 25 16:15:12 2010 +0200
@@ -3449,7 +3449,7 @@
 
     data = kmalloc(ioctl.data_size, GFP_KERNEL);
     if (!data) {
-        EC_MASTER_ERR(master, "Failed to allocate %u bytes of IDN data.\n",
+        EC_MASTER_ERR(master, "Failed to allocate %zu bytes of IDN data.\n",
                 ioctl.data_size);
         return -ENOMEM;
     }