[akpm-mm:mm-nonmm-unstable 43/43] arch/powerpc/kernel/nvram_64.c:79:10: error: incompatible function pointer types initializing 'void (*)(struct kmsg_dumper *, enum kmsg_dump_reason, const char *)' with an expression of type 'void (struct kmsg_dumper *, enum kmsg_dump_reason)'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
head:   7e72bb7504d1192ab89809f6192dba1b06f4fa51
commit: 7e72bb7504d1192ab89809f6192dba1b06f4fa51 [43/43] printk: add a short description string to kmsg_dump()
config: powerpc64-randconfig-002-20240626 (https://download.01.org/0day-ci/archive/20240627/202406270010.IIwJCerE-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240627/202406270010.IIwJCerE-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406270010.IIwJCerE-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/powerpc/kernel/nvram_64.c:79:10: error: incompatible function pointer types initializing 'void (*)(struct kmsg_dumper *, enum kmsg_dump_reason, const char *)' with an expression of type 'void (struct kmsg_dumper *, enum kmsg_dump_reason)' [-Werror,-Wincompatible-function-pointer-types]
           .dump = oops_to_nvram
                   ^~~~~~~~~~~~~
>> arch/powerpc/kernel/nvram_64.c:645:13: error: conflicting types for 'oops_to_nvram'
   static void oops_to_nvram(struct kmsg_dumper *dumper,
               ^
   arch/powerpc/kernel/nvram_64.c:75:13: note: previous declaration is here
   static void oops_to_nvram(struct kmsg_dumper *dumper,
               ^
   2 errors generated.


vim +79 arch/powerpc/kernel/nvram_64.c

78989f0a559218 Hari Bathini 2015-02-06  74  
78989f0a559218 Hari Bathini 2015-02-06  75  static void oops_to_nvram(struct kmsg_dumper *dumper,
78989f0a559218 Hari Bathini 2015-02-06  76  			  enum kmsg_dump_reason reason);
78989f0a559218 Hari Bathini 2015-02-06  77  
78989f0a559218 Hari Bathini 2015-02-06  78  static struct kmsg_dumper nvram_kmsg_dumper = {
78989f0a559218 Hari Bathini 2015-02-06 @79  	.dump = oops_to_nvram
78989f0a559218 Hari Bathini 2015-02-06  80  };
78989f0a559218 Hari Bathini 2015-02-06  81  

:::::: The code at line 79 was first introduced by commit
:::::: 78989f0a5592182a3d45d869ddaafc71c8f673af powerpc/nvram: Move generic code for nvram and pstore

:::::: TO: Hari Bathini <hbathini@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki