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Date: Wed, 27 Jul 2016 10:27:21 +0800
From: kbuild test robot <lkp@...el.com>
To: Emese Revfy <re.emese@...il.com>
Cc: kbuild-all@...org, kernel-hardening@...ts.openwall.com,
	pageexec@...email.hu, spender@...ecurity.net, mmarek@...e.com,
	keescook@...omium.org, linux-kernel@...r.kernel.org,
	yamada.masahiro@...ionext.com, linux-kbuild@...r.kernel.org,
	minipli@...linux.so, linux@...linux.org.uk, catalin.marinas@....com,
	linux@...musvillemoes.dk, david.brown@...aro.org,
	benh@...nel.crashing.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, jlayton@...chiereds.net, arnd@...db.de,
	sam@...nborg.org, isdn@...ux-pingi.de
Subject: Re: [PATCH v3 2/7] Split up struct warn_args

Hi,

[auto build test ERROR on next-20160726]
[also build test ERROR on v4.7]
[cannot apply to stable/master linus/master linux/master v4.7-rc7 v4.7-rc6 v4.7-rc5]
[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/Emese-Revfy/Introduce-the-initify-gcc-plugin/20160727-084514
config: arm-u8500_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609
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=arm 

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

   In file included from include/uapi/linux/posix_types.h:4:0,
                    from include/uapi/linux/types.h:13,
                    from include/linux/compiler.h:201,
                    from include/linux/linkage.h:4,
                    from include/linux/kernel.h:6,
                    from include/linux/debug_locks.h:4,
                    from kernel/panic.c:11:
   kernel/panic.c: In function 'warn_slowpath_null':
>> include/linux/stddef.h:7:14: error: incompatible type for argument 7 of '__warn'
    #define NULL ((void *)0)
                 ^
>> kernel/panic.c:544:74: note: in expansion of macro 'NULL'
     __warn(file, line, __builtin_return_address(0), TAINT_WARN, NULL, NULL, NULL);
                                                                             ^
   kernel/panic.c:478:6: note: expected 'va_list {aka __va_list}' but argument is of type 'void *'
    void __warn(const char *file, int line, void *caller, unsigned taint,
         ^
--
   In file included from include/uapi/linux/posix_types.h:4:0,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from lib/bug.c:43:
   lib/bug.c: In function 'report_bug':
>> include/linux/stddef.h:7:14: error: incompatible type for argument 7 of '__warn'
    #define NULL ((void *)0)
                 ^
>> lib/bug.c:171:16: note: in expansion of macro 'NULL'
             NULL, NULL);
                   ^
   In file included from arch/arm/include/asm/bug.h:59:0,
                    from include/linux/bug.h:4,
                    from include/linux/thread_info.h:11,
                    from include/asm-generic/preempt.h:4,
                    from ./arch/arm/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:59,
                    from include/linux/spinlock.h:50,
                    from include/linux/seqlock.h:35,
                    from include/linux/time.h:5,
                    from include/linux/stat.h:18,
                    from include/linux/module.h:10,
                    from lib/bug.c:44:
   include/asm-generic/bug.h:84:6: note: expected 'va_list {aka __va_list}' but argument is of type 'void *'
    void __warn(const char *file, int line, void *caller, unsigned taint,
         ^

vim +/__warn +7 include/linux/stddef.h

^1da177e Linus Torvalds   2005-04-16   1  #ifndef _LINUX_STDDEF_H
^1da177e Linus Torvalds   2005-04-16   2  #define _LINUX_STDDEF_H
^1da177e Linus Torvalds   2005-04-16   3  
607ca46e David Howells    2012-10-13   4  #include <uapi/linux/stddef.h>
^1da177e Linus Torvalds   2005-04-16   5  
^1da177e Linus Torvalds   2005-04-16   6  #undef NULL
^1da177e Linus Torvalds   2005-04-16  @7  #define NULL ((void *)0)
6e218287 Richard Knutsson 2006-09-30   8  
6e218287 Richard Knutsson 2006-09-30   9  enum {
6e218287 Richard Knutsson 2006-09-30  10  	false	= 0,

:::::: The code at line 7 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

---
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" (21314 bytes)

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