[PATCH] lib/bug: Fix build error

Generic bug management code handle a table of bugs per module. When kernel is built without CONFIG_MODULES, the module_bug_list is compiled out, yet generic_bug_clear_once tries to reference it, causing an error. Introduce helper function to avoid the reference to module_bug_list when it is not

[PATCH] lib/bug: Fix build error

Generic bug management code handle a table of bugs per module. When kernel is built without CONFIG_MODULES, the module_bug_list is compiled out, yet generic_bug_clear_once tries to reference it, causing an error. Introduce helper function to avoid the reference to module_bug_list when it is not