[Patch] drivers/base/core.c: fix a compile error

[WANG Cong <xiyou.wangcong@gmail.com>]

On Fri, Jan 25, 2008 at 03:24:13PM -0800, Jeremy Fitzhardinge wrote:
>Greg KH wrote:
>>Ah, sorry, I missed that "note" :(
>>
>>thanks,
>>
>>greg 'time to get that make randconfig system up and working' k-h
>>  
>
>Here's a config that fails.
>

Here's one possible fix. Please review.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>

---

Index: linux-2.6/include/linux/genhd.h
===================================================================
--- linux-2.6.orig/include/linux/genhd.h
+++ linux-2.6/include/linux/genhd.h
@@ -12,6 +12,8 @@
 #include <linux/types.h>
 #include <linux/kdev_t.h>
 
+extern struct device_type part_type;
+
 #ifdef CONFIG_BLOCK
 
 #define kobj_to_dev(k) container_of(k, struct device, kobj)
@@ -19,7 +21,6 @@
 #define dev_to_part(device) container_of(device, struct hd_struct, dev)
 
 extern struct device_type disk_type;
-extern struct device_type part_type;
 extern struct kobject *block_depr;
 extern struct class block_class;