linux-kernel - Re: [PATCH] media: cx18: Don't check for address of video

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: <201809221919.hrSCDYLC%fengguang.wu@intel.com>
Date:   Sat, 22 Sep 2018 19:48:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     kbuild-all@...org, Andy Walls <awalls@...metrocast.net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: Re: [PATCH] media: cx18: Don't check for address of video_dev

Hi Nathan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v4.19-rc4 next-20180921]
[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/Nathan-Chancellor/media-cx18-Don-t-check-for-address-of-video_dev/20180922-192000
base:   git://linuxtv.org/media_tree.git master
config: i386-randconfig-x077-201837 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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

   In file included from include/linux/kernel.h:10:0,
                    from include/linux/list.h:9,
                    from include/linux/module.h:9,
                    from drivers/media/pci/cx18/cx18-driver.h:23,
                    from drivers/media/pci/cx18/cx18-driver.c:20:
   drivers/media/pci/cx18/cx18-driver.c: In function 'cx18_cancel_out_work_orders':
>> include/linux/compiler.h:58:28: error: wrong type argument to unary exclamation mark
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                               ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
>> drivers/media/pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~
   include/linux/compiler.h:58:40: error: wrong type argument to unary exclamation mark
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                           ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
>> drivers/media/pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~
   include/linux/compiler.h:69:14: error: wrong type argument to unary exclamation mark
      ______r = !!(cond);     \
                 ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
>> drivers/media/pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~
--
   In file included from include/linux/kernel.h:10:0,
                    from include/linux/list.h:9,
                    from include/linux/module.h:9,
                    from drivers/media//pci/cx18/cx18-driver.h:23,
                    from drivers/media//pci/cx18/cx18-driver.c:20:
   drivers/media//pci/cx18/cx18-driver.c: In function 'cx18_cancel_out_work_orders':
>> include/linux/compiler.h:58:28: error: wrong type argument to unary exclamation mark
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                               ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   drivers/media//pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~
   include/linux/compiler.h:58:40: error: wrong type argument to unary exclamation mark
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                           ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   drivers/media//pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~
   include/linux/compiler.h:69:14: error: wrong type argument to unary exclamation mark
      ______r = !!(cond);     \
                 ^
   include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
    #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
                          ^~~~~~~~~~
   drivers/media//pci/cx18/cx18-driver.c:1255:3: note: in expansion of macro 'if'
      if (cx->streams[i].video_dev)
      ^~

vim +/if +1255 drivers/media/pci/cx18/cx18-driver.c

  1250	
  1251	static void cx18_cancel_out_work_orders(struct cx18 *cx)
  1252	{
  1253		int i;
  1254		for (i = 0; i < CX18_MAX_STREAMS; i++)
> 1255			if (cx->streams[i].video_dev)
  1256				cancel_work_sync(&cx->streams[i].out_work_order);
  1257	}
  1258	

---
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/gzip" (31291 bytes)