[PATCH mmotm] lib/bug.c: fix build when MODULES are not enabled

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix build when CONFIG_MODULES is not enabled.
Fixes multiple build errors.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
 lib/bug.c |    2 ++
 1 file changed, 2 insertions(+)

--- mmotm-2017-1019-1700.orig/lib/bug.c
+++ mmotm-2017-1019-1700/lib/bug.c
@@ -206,6 +206,7 @@ static void clear_once_table(struct bug_
 
 void generic_bug_clear_once(void)
 {
+#ifdef CONFIG_MODULES
 	struct module *mod;
 
 	rcu_read_lock_sched();
@@ -213,6 +214,7 @@ void generic_bug_clear_once(void)
 		clear_once_table(mod->bug_table,
 				 mod->bug_table + mod->num_bugs);
 	rcu_read_unlock_sched();
+#endif
 
 	clear_once_table(__start___bug_table, __stop___bug_table);
 }