Hi tip-bot2,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc6 next-20190828]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/tip-bot2-for-Thomas-Gleixner/posix-cpu-timers-Use-common-permission-check-in-posix_cpu_clock_get/20190829-181227
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gcc (GCC) 7.4.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>

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

   kernel/time/posix-cpu-timers.c: In function 'posix_cpu_clock_get':
>> kernel/time/posix-cpu-timers.c:275:8: error: implicit declaration of 
>> function 'get_task_for_clock'; did you mean 'get_task_struct'? 
>> [-Werror=implicit-function-declaration]
     tsk = get_task_for_clock(clock);
           ^~~~~~~~~~~~~~~~~~
           get_task_struct
>> kernel/time/posix-cpu-timers.c:275:6: warning: assignment makes pointer from 
>> integer without a cast [-Wint-conversion]
     tsk = get_task_for_clock(clock);
         ^
   cc1: some warnings being treated as errors

vim +275 kernel/time/posix-cpu-timers.c

   268  
   269  static int posix_cpu_clock_get(const clockid_t clock, struct timespec64 
*tp)
   270  {
   271          const clockid_t clkid = CPUCLOCK_WHICH(clock);
   272          struct task_struct *tsk;
   273          u64 t;
   274  
 > 275          tsk = get_task_for_clock(clock);
   276          if (!tsk)
   277                  return -EINVAL;
   278  
   279          if (CPUCLOCK_PERTHREAD(clock))
   280                  cpu_clock_sample(clkid, tsk, &t);
   281          else
   282                  cpu_clock_sample_group(clkid, tsk, &t);
   283          put_task_struct(tsk);
   284  
   285          *tp = ns_to_timespec64(t);
   286          return 0;
   287  }
   288  

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

Attachment: .config.gz
Description: application/gzip

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