module: Make module sysfs functions private.

These were placed in the header in ef665c1a to get the various
SYSFS/MODULE config combintations to compile.

That may have been necessary then, but it's not now.  These functions
are all local to module.c.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Randy Dunlap <randy.dunlap@oracle.com>

include/linux/module.h

@@ -672,43 +672,10 @@ static inline int module_get_iter_tracepoints(struct tracepoint_iter *iter)
 
 #endif /* CONFIG_MODULES */
 
-struct device_driver;
 #ifdef CONFIG_SYSFS
-struct module;
-
 extern struct kset *module_kset;
 extern struct kobj_type module_ktype;
 extern int module_sysfs_initialized;
-
-int mod_sysfs_init(struct module *mod);
-int mod_sysfs_setup(struct module *mod,
-			   struct kernel_param *kparam,
-			   unsigned int num_params);
-int module_add_modinfo_attrs(struct module *mod);
-void module_remove_modinfo_attrs(struct module *mod);
-
-#else /* !CONFIG_SYSFS */
-
-static inline int mod_sysfs_init(struct module *mod)
-{
-	return 0;
-}
-
-static inline int mod_sysfs_setup(struct module *mod,
-			   struct kernel_param *kparam,
-			   unsigned int num_params)
-{
-	return 0;
-}
-
-static inline int module_add_modinfo_attrs(struct module *mod)
-{
-	return 0;
-}
-
-static inline void module_remove_modinfo_attrs(struct module *mod)
-{ }
-
 #endif /* CONFIG_SYSFS */
 
 #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)

kernel/module.c

@@ -1323,7 +1323,7 @@ static void del_usage_links(struct module *mod)
 #endif
 }
 
-int module_add_modinfo_attrs(struct module *mod)
+static int module_add_modinfo_attrs(struct module *mod)
 {
 	struct module_attribute *attr;
 	struct module_attribute *temp_attr;
@@ -1349,7 +1349,7 @@ int module_add_modinfo_attrs(struct module *mod)
 	return error;
 }
 
-void module_remove_modinfo_attrs(struct module *mod)
+static void module_remove_modinfo_attrs(struct module *mod)
 {
 	struct module_attribute *attr;
 	int i;
@@ -1365,7 +1365,7 @@ void module_remove_modinfo_attrs(struct module *mod)
 	kfree(mod->modinfo_attrs);
 }
 
-int mod_sysfs_init(struct module *mod)
+static int mod_sysfs_init(struct module *mod)
 {
 	int err;
 	struct kobject *kobj;
@@ -1399,7 +1399,7 @@ int mod_sysfs_init(struct module *mod)
 	return err;
 }
 
-int mod_sysfs_setup(struct module *mod,
+static int mod_sysfs_setup(struct module *mod,
 			   struct kernel_param *kparam,
 			   unsigned int num_params)
 {
@@ -1445,6 +1445,27 @@ static void mod_sysfs_fini(struct module *mod)
 
 #else /* CONFIG_SYSFS */
 
+static inline int mod_sysfs_init(struct module *mod)
+{
+	return 0;
+}
+
+static inline int mod_sysfs_setup(struct module *mod,
+			   struct kernel_param *kparam,
+			   unsigned int num_params)
+{
+	return 0;
+}
+
+static inline int module_add_modinfo_attrs(struct module *mod)
+{
+	return 0;
+}
+
+static inline void module_remove_modinfo_attrs(struct module *mod)
+{
+}
+
 static void mod_sysfs_fini(struct module *mod)
 {
 }