diff -uprN -X dontdiff linux-2.6.12-rc4-sysfsdyncallback-deviceattr/Documentation/filesystems/sysfs.txt linux-2.6.12-rc4-sysfsdyncallback-deviceattr-nowarn/Documentation/filesystems/sysfs.txt
--- linux-2.6.12-rc4-sysfsdyncallback-deviceattr/Documentation/filesystems/sysfs.txt	2005-05-11 00:28:12.000000000 -0400
+++ linux-2.6.12-rc4-sysfsdyncallback-deviceattr-nowarn/Documentation/filesystems/sysfs.txt	2005-05-11 00:34:03.000000000 -0400
@@ -214,7 +214,7 @@ Other notes:
 
 A very simple (and naive) implementation of a device attribute is:
 
-static ssize_t show_name(struct device * dev, char * buf)
+static ssize_t show_name(struct device * dev, char * buf, void *private)
 {
         return sprintf(buf,"%s\n",dev->name);
 }