On 11/05/16 14:07, Arnd Bergmann wrote: > A bugfix patch for the xen balloon driver introduced a forward > declaration for a static function that is conditionally compiled, > causing a warning if only the declaration but not the definition > are there: > > drivers/xen/balloon.c:154:13: error: 'release_memory_resource' declared 'static' but never defined [-Werror=unused-function] > static void release_memory_resource(struct resource *resource); > > This removes the declaration again and instead moves the function > definition to the right place, before its first caller and inside > of the #ifdef protecting both. I've applied the equivalent patch from Ross, instead. > The patch that introduced the warning is marked for stable > backports, so if that gets applied to 4.4, so should this one. Fixes for compiler warnings are not sufficiently important to be backported to stable. David -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html