Hi Ian, [auto build test ERROR on linus/master] [also build test ERROR on v4.12-rc2 next-20170524] [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/Ian-Abbott/kernel-h-container_of-pointer-checking/20170524-071605 config: x86_64-randconfig-n0-05242055 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:14:0, from include/asm-generic/bug.h:15, from arch/x86/include/asm/bug.h:81, from drivers/block/drbd/drbd_interval.c:1: include/linux/bug.h:103:47: warning: 'struct bug_entry' declared inside parameter list [enabled by default] static inline int is_warning_bug(const struct bug_entry *bug) ^ include/linux/bug.h:103:47: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] include/linux/bug.h: In function 'is_warning_bug': >> include/linux/bug.h:105:12: error: dereferencing pointer to incomplete type return bug->flags & BUGFLAG_WARNING; ^ vim +105 include/linux/bug.h ff20c2e0 Kirill A. Shutemov 2016-03-01 97 35edd910 Paul Gortmaker 2011-11-16 98 #endif /* __CHECKER__ */ 35edd910 Paul Gortmaker 2011-11-16 99 7664c5a1 Jeremy Fitzhardinge 2006-12-08 100 #ifdef CONFIG_GENERIC_BUG 7664c5a1 Jeremy Fitzhardinge 2006-12-08 101 #include <asm-generic/bug.h> 7664c5a1 Jeremy Fitzhardinge 2006-12-08 102 7664c5a1 Jeremy Fitzhardinge 2006-12-08 @103 static inline int is_warning_bug(const struct bug_entry *bug) 7664c5a1 Jeremy Fitzhardinge 2006-12-08 104 { 7664c5a1 Jeremy Fitzhardinge 2006-12-08 @105 return bug->flags & BUGFLAG_WARNING; 7664c5a1 Jeremy Fitzhardinge 2006-12-08 106 } 7664c5a1 Jeremy Fitzhardinge 2006-12-08 107 19d43626 Peter Zijlstra 2017-02-25 108 struct bug_entry *find_bug(unsigned long bugaddr); :::::: The code at line 105 was first introduced by commit :::::: 7664c5a1da4711bb6383117f51b94c8dc8f3f1cd [PATCH] Generic BUG implementation :::::: TO: Jeremy Fitzhardinge <jeremy@xxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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