Hi Petr,

[auto build test ERROR on soc-thermal/next]
[also build test ERROR on v4.5-rc5 next-20160222]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Petr-Mladek/kthread-Use-kthread-worker-API-more-widely/20160222-230250
base:   https://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal next
config: xtensa-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All error/warnings (new ones prefixed by >>):

   kernel/kthread.c: In function 'create_kthread_worker_on_cpu':

quoted

kernel/kthread.c:691:9: error: incompatible type for argument 3 of '__create_kthread_worker'

     return __create_kthread_worker(cpu, namefmt, NULL);
            ^
   kernel/kthread.c:622:1: note: expected 'va_list' but argument is of type 'void *'
    __create_kthread_worker(int cpu, const char namefmt[], va_list args)
    ^

quoted

kernel/kthread.c:692:1: warning: control reaches end of non-void function [-Wreturn-type]

    }
    ^

vim +/__create_kthread_worker +691 kernel/kthread.c

   685	 * when the needed structures could not get allocated, and ERR_PTR(-EINTR)
   686	 * when the worker was SIGKILLed.
   687	 */
   688	struct kthread_worker *
   689	create_kthread_worker_on_cpu(int cpu, const char namefmt[])
   690	{
 > 691		return __create_kthread_worker(cpu, namefmt, NULL);
 > 692	}
   693	EXPORT_SYMBOL(create_kthread_worker_on_cpu);
   694	
   695	/* insert @work before @pos in @worker */

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation