Re: Used void functions follows non void

[Tejun Heo]

On Thu, Mar 09, 2017 at 04:39:10PM +0200, Corcodel Marian wrote:
> 
> Make compiler to print errors message ;
> run make;
>  Bellow is  errors message from compiler:
> include/linux/cgroup.h:424:2: warning: âreturnâ with no value, in function
> returning non-void [-Wreturn-type]
>   return task_css_set_check(task, false);
>   ^
> include/linux/cgroup.h: In function âtask_cssâ:
> include/linux/cgroup.h:414:35: error: expected expression before â->â token
>   task_css_set_check((task), (__c))->subsys[(subsys_id)]
>                                    ^
> include/linux/cgroup.h:437:9: note: in expansion of macro âtask_css_checkâ
>   return task_css_check(task, subsys_id, false);
>          ^
> include/linux/cgroup.h: In function âtask_css_is_rootâ:
> include/linux/cgroup.h:414:35: error: expected expression before â->â token
>   task_css_set_check((task), (__c))->subsys[(subsys_id)]
>                                    ^
> include/linux/cgroup.h:475:9: note: in expansion of macro âtask_css_checkâ
>   return task_css_check(task, subsys_id, true) ==

Can you please share the .config used and the kernel version?

Thanks.

-- 
tejun