modules: only use mod->param_lock if CONFIG_MODULES

static DEFINE_MUTEX(param_lock);

/* Use the module's mutex, or if built-in use the built-in mutex */

#ifdef CONFIG_MODULES

#define KPARAM_MUTEX(mod)	((mod) ? &(mod)->param_lock : &param_lock)

#else

#define KPARAM_MUTEX(mod)	(&param_lock)

#endif

static inline void check_kparam_locked(struct module *mod)

{