From: Arnd Bergmann
Date: Thu, 10 Mar 2016 19:31:12 +0100
> The stub helper functions for the newly added kcm_proc_init/exit interfaces
> are defined as 'static' in a header file, which leads to build warnings for
> each file that includes them without calling them:
>
> include/net/kcm.h:183:12:
The stub helper functions for the newly added kcm_proc_init/exit interfaces
are defined as 'static' in a header file, which leads to build warnings for
each file that includes them without calling them:
include/net/kcm.h:183:12: error: 'kcm_proc_init' defined but not used
[-Werror=unused-function