Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/namespace.c        |    1 +
 include/linux/sysfs.h |    7 +++++++
 2 files changed, 8 insertions(+)

diff -puN fs/namespace.c~gregkh-driver-sysfs-add-proper-sysfs_init-prototype fs/namespace.c
--- a/fs/namespace.c~gregkh-driver-sysfs-add-proper-sysfs_init-prototype
+++ a/fs/namespace.c
@@ -17,6 +17,7 @@
 #include <linux/acct.h>
 #include <linux/capability.h>
 #include <linux/module.h>
+#include <linux/sysfs.h>
 #include <linux/seq_file.h>
 #include <linux/namespace.h>
 #include <linux/namei.h>
diff -puN include/linux/sysfs.h~gregkh-driver-sysfs-add-proper-sysfs_init-prototype include/linux/sysfs.h
--- a/include/linux/sysfs.h~gregkh-driver-sysfs-add-proper-sysfs_init-prototype
+++ a/include/linux/sysfs.h
@@ -127,6 +127,8 @@ int __must_check sysfs_create_group(stru
 void sysfs_remove_group(struct kobject *, const struct attribute_group *);
 void sysfs_notify(struct kobject * k, char *dir, char *attr);
 
+extern int __must_check sysfs_init(void);
+
 #else /* CONFIG_SYSFS */
 
 static inline int sysfs_init(void)
@@ -203,6 +205,11 @@ static inline void sysfs_notify(struct k
 {
 }
 
+static inline int __must_check sysfs_init(void)
+{
+	return 0;
+}
+
 #endif /* CONFIG_SYSFS */
 
 #endif /* _SYSFS_H_ */
_