sysfs: fix build errors: uevent with CONFIG_SYSFS=n

Fix source files to build with CONFIG_SYSFS=n.
module_subsys is not available.

SYSFS=n, MODULES=y:	T:y
SYSFS=n, MODULES=n:	T:y

SYSFS=y, MODULES=y:	T:y
SYSFS=y, MODULES=n:	T:y

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 4a189dadb160..b26b2e5fedc7 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -169,10 +169,22 @@ extern int param_get_string(char *buffer, struct kernel_param *kp);
 
 struct module;
 
+#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
 extern int module_param_sysfs_setup(struct module *mod,
                                     struct kernel_param *kparam,
                                     unsigned int num_params);
 
 extern void module_param_sysfs_remove(struct module *mod);
+#else
+static inline int module_param_sysfs_setup(struct module *mod,
+                             struct kernel_param *kparam,
+                             unsigned int num_params)
+{
+        return 0;
+}
+
+static inline void module_param_sysfs_remove(struct module *mod)
+{ }
+#endif
 
 #endif /* _LINUX_MODULE_PARAMS_H */