linux-kernel - Re: [PATCH 2/2] ppdev: add support for compat ioctl

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <201512091455.RZCiTjwN%fengguang.wu@intel.com>
Date:	Wed, 9 Dec 2015 14:39:30 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	y2038@...ts.linaro.org, gregkh@...uxfoundation.org, arnd@...db.de,
	sudipm.mukherjee@...il.com, broonie@...nel.org,
	Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
Subject: Re: [PATCH 2/2] ppdev: add support for compat ioctl

Hi Bamvor,

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on v4.4-rc4 next-20151208]

url:    https://github.com/0day-ci/linux/commits/Bamvor-Jian-Zhang/Convert-ppdev-to-y2038-safe/20151209-141616
config: x86_64-randconfig-n0-12091355 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/char/ppdev.c: In function 'pp_compat_ioctl':
>> drivers/char/ppdev.c:677:44: error: implicit declaration of function 'compat_ptr' [-Werror=implicit-function-declaration]
     return pp_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
                                               ^
   cc1: some warnings being treated as errors

vim +/compat_ptr +677 drivers/char/ppdev.c

   671	}
   672	
   673	#ifdef CONFIG_COMPAT
   674	static long pp_compat_ioctl(struct file *file, unsigned int cmd,
   675			unsigned long arg)
   676	{
 > 677		return pp_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
   678	}
   679	#endif
   680	

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

Download attachment ".config.gz" of type "application/octet-stream" (21550 bytes)