module: fix sysfs cleanup for !CONFIG_SYSFS

Restore the stub module_remove_modinfo_attrs, remove the now-unused
!CONFIG_SYSFS module_sysfs_init.

Also, rename mod_kobject_remove() to mod_sysfs_teardown() as
it is the logical counterpart to mod_sysfs_setup now.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 6 insertions, 7 deletions

diff --git a/kernel/module.c b/kernel/module.c
index fd8d46c6976..a64b26cf187 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1504,11 +1504,6 @@ static void mod_sysfs_fini(struct module *mod)
 
 #else /* !CONFIG_SYSFS */
 
-static int mod_sysfs_init(struct module *mod)
-{
-        return 0;
-}
-
 static int mod_sysfs_setup(struct module *mod,
                            const struct load_info *info,
                            struct kernel_param *kparam,
@@ -1521,13 +1516,17 @@ static void mod_sysfs_fini(struct module *mod)
 {
 }
 
+static void module_remove_modinfo_attrs(struct module *mod)
+{
+}
+
 static void del_usage_links(struct module *mod)
 {
 }
 
 #endif /* CONFIG_SYSFS */
 
-static void mod_kobject_remove(struct module *mod)
+static void mod_sysfs_teardown(struct module *mod)
 {
         del_usage_links(mod);
         module_remove_modinfo_attrs(mod);
@@ -1557,7 +1556,7 @@ static void free_module(struct module *mod)
         mutex_lock(&module_mutex);
         stop_machine(__unlink_module, mod, NULL);
         mutex_unlock(&module_mutex);
-        mod_kobject_remove(mod);
+        mod_sysfs_teardown(mod);
 
         /* Remove dynamic debug info */
         ddebug_remove_module(mod->name);