From: Jan Engelhardt <jengelh@linux01.gwdg.de>

Apparently this broke due to missing `struct inode' declaration.

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Cc: Noah Watkins <nwatkins@ittc.ku.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/cdev.h |    4 ++++
 1 file changed, 4 insertions(+)

diff -puN include/linux/cdev.h~cdevh-forward-declarations include/linux/cdev.h
--- a/include/linux/cdev.h~cdevh-forward-declarations
+++ a/include/linux/cdev.h
@@ -6,6 +6,10 @@
 #include <linux/kdev_t.h>
 #include <linux/list.h>
 
+struct file_operations;
+struct inode;
+struct module;
+
 struct cdev {
 	struct kobject kobj;
 	struct module *owner;
_