Hi l00229106,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.5-rc6 next-20160303]
[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/l00229106/usb-super-speed-warm-reset-rejudge/20160304-163718
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git 
usb-testing
config: x86_64-lkp (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/usb/core/hub.c: In function 'port_event':
>> drivers/usb/core/hub.c:5104:3: error: 'ret' undeclared (first use in this 
>> function)
      ret = hub_port_status(hub, i,
      ^
   drivers/usb/core/hub.c:5104:3: note: each undeclared identifier is reported 
only once for each function it appears in
>> drivers/usb/core/hub.c:5104:30: error: 'i' undeclared (first use in this 
>> function)
      ret = hub_port_status(hub, i,
                                 ^

vim +/ret +5104 drivers/usb/core/hub.c

  5098                          usb_lock_device(udev);
  5099                          usb_reset_device(udev);
  5100                          usb_unlock_device(udev);
  5101                          usb_lock_port(port_dev);
  5102                  }
  5103  
> 5104                  ret = hub_port_status(hub, i,
  5105                                  &portstatus, &portchange);
  5106                  if (ret < 0)
  5107                          return;

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

Attachment: .config.gz
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