Re: [PATCH V8 1/1] usb:serial: Add Fintek F81532/534 driver

[kbuild test robot]

Hi Peter,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.5-rc1 next-20160128]
[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/Peter-Hung/usb-serial-Add-Fintek-F81532-534-driver/20160128-153805
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: parisc-allmodconfig (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=parisc 

All errors (new ones prefixed by >>):

   drivers/usb/serial/f81534.c: In function 'f81534_get_serial_info':
>> drivers/usb/serial/f81534.c:1559:2: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration]
     if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
     ^
   cc1: some warnings being treated as errors

vim +/copy_to_user +1559 drivers/usb/serial/f81534.c

  1553	
  1554		tmp.type = PORT_16550A;
  1555		tmp.port = port->port_number;
  1556		tmp.line = port->minor;
  1557		tmp.baud_base = port_priv->current_baud_base;
  1558	
> 1559		if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
  1560			return -EFAULT;
  1561	
  1562		return 0;

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

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