Re: [PATCH v8 01/20] kasan, mm: change hooks signatures

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On Fri, Sep 21, 2018 at 6:05 AM, kbuild test robot <lkp@xxxxxxxxx> wrote:
> Hi Andrey,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.19-rc4 next-20180919]
> [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/Andrey-Konovalov/kasan-add-software-tag-based-mode-for-arm64/20180920-172444
> config: x86_64-randconfig-x013-201837 (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=x86_64
>
> All errors (new ones prefixed by >>):
>
>    In file included from include/linux/slab.h:129:0,
>                     from include/linux/crypto.h:24,
>                     from arch/x86/kernel/asm-offsets.c:9:
>    include/linux/kasan.h: In function 'kasan_init_slab_obj':
>>> include/linux/kasan.h:111:9: error: 'ptr' undeclared (first use in this function)
>      return ptr;
>             ^~~

Right, will fix in v9.

>    include/linux/kasan.h:111:9: note: each undeclared identifier is reported only once for each function it appears in
>    make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
>    make[2]: Target '__build' not remade because of errors.
>    make[1]: *** [prepare0] Error 2
>    make[1]: Target 'prepare' not remade because of errors.
>    make: *** [sub-make] Error 2
>
> vim +/ptr +111 include/linux/kasan.h
>
>    102
>    103  static inline void kasan_poison_slab(struct page *page) {}
>    104  static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
>    105                                          void *object) {}
>    106  static inline void kasan_poison_object_data(struct kmem_cache *cache,
>    107                                          void *object) {}
>    108  static inline void *kasan_init_slab_obj(struct kmem_cache *cache,
>    109                                  const void *object)
>    110  {
>  > 111          return ptr;
>    112  }
>    113
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>
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