Re: [RFC PATCH v4 07/13] module: Move extra signature support out of core code

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> diff --git a/include/linux/module.h b/include/linux/module.h
> index 520c0f4bb968..15ba2ebbca3e 100644
> --- a/include/linux/module.h
> +++ b/include/linux/module.h
> @@ -720,8 +720,8 @@ static inline bool set_livepatch_module(struct module *mod)
>  	return false;
>  }
>  
> -bool is_module_sig_enforced(void);
> -void set_module_sig_enforced(void);
> +extern bool is_module_sig_enforced(void);
> +extern void set_module_sig_enforced(void);

Please, drop these extern modifiers in front of function declarations. 
They are unnecessary. It applies to different patches of the set as well.
  
>  #else /* !CONFIG_MODULES... */
>  
> @@ -911,6 +911,7 @@ static inline bool module_sig_ok(struct module *module)
>  {
>  	return true;
>  }
> +#define sig_enforce false
>  #endif	/* CONFIG_MODULE_SIG */
>  
>  int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
> diff --git a/kernel/module/internal.h b/kernel/module/internal.h
> index de28d6bb7b5b..2ec2a1d9dd9f 100644
> --- a/kernel/module/internal.h
> +++ b/kernel/module/internal.h
> @@ -114,3 +114,12 @@ static struct module *mod_find(unsigned long addr)
>  	return NULL;
>  }
>  #endif /* CONFIG_MODULES_TREE_LOOKUP */
> +
> +#ifdef CONFIG_MODULE_SIG
> +extern int module_sig_check(struct load_info *info, int flags);
> +#else /* !CONFIG_MODULE_SIG */
> +static int module_sig_check(struct load_info *info, int flags)
> +{
> +	return 0;
> +}

I think it should be 

static inline int module_sig_check(struct load_info *info, int flags)

Thanks,
Miroslav



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