Hi,

[auto build test ERROR on hid/for-next]
[also build test ERROR on v4.6-rc4 next-20160421]
[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/roderick-gaikai-com/HID-uhid-Fixes-a-bug-with-userspace-bluetooth-stacks-which-causes-hangs-during-certain-operations/20160422-050505
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git for-next
config: x86_64-randconfig-x010-201616 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/hid/uhid.c: In function 'uhid_event_from_user':
>> drivers/hid/uhid.c:403:6: error: implicit declaration of function 
>> 'is_compat_task' [-Werror=implicit-function-declaration]
     if (is_compat_task()) {
         ^
   cc1: some warnings being treated as errors

vim +/is_compat_task +403 drivers/hid/uhid.c

   397          __u32 country;
   398  } __attribute__((__packed__));
   399  
   400  static int uhid_event_from_user(const char __user *buffer, size_t len,
   401                                  struct uhid_event *event)
   402  {
 > 403          if (is_compat_task()) {
   404                  u32 type;
   405  
   406                  if (get_user(type, buffer))

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

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