Re: [PATCH] crypto: lib/mpi - Extend support for scope-based resource management

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

Hi Markus,

kernel test robot noticed the following build errors:

[auto build test ERROR on herbert-crypto-2.6/master]
[also build test ERROR on herbert-cryptodev-2.6/master linus/master v6.11 next-20240917]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Markus-Elfring/crypto-lib-mpi-Extend-support-for-scope-based-resource-management/20240917-173519
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git master
patch link:    https://lore.kernel.org/r/bc5ce9ad-acbd-4f3b-91d6-10cf62bf5afc%40web.de
patch subject: [PATCH] crypto: lib/mpi - Extend support for scope-based resource management
config: i386-buildonly-randconfig-002-20240918 (https://download.01.org/0day-ci/archive/20240918/202409180725.ZV8DCvII-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240918/202409180725.ZV8DCvII-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/202409180725.ZV8DCvII-lkp@intel.com/

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

   In file included from include/linux/irqflags.h:17,
                    from arch/x86/include/asm/special_insns.h:10,
                    from arch/x86/include/asm/processor.h:25,
                    from arch/x86/include/asm/timex.h:5,
                    from include/linux/timex.h:67,
                    from include/linux/time32.h:13,
                    from include/linux/time.h:60,
                    from include/linux/stat.h:19,
                    from include/linux/module.h:13,
                    from crypto/dh.c:9:
   include/linux/mpi.h: In function '__free_mpi_free':
>> include/linux/mpi.h:49:48: error: 'T_' undeclared (first use in this function)
      49 | DEFINE_FREE(mpi_free, MPI, if (!IS_ERR_OR_NULL(T_)) mpi_free(T_))
         |                                                ^~
   include/linux/cleanup.h:62:78: note: in definition of macro 'DEFINE_FREE'
      62 |         static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
         |                                                                              ^~~~~
   include/linux/mpi.h:49:48: note: each undeclared identifier is reported only once for each function it appears in
      49 | DEFINE_FREE(mpi_free, MPI, if (!IS_ERR_OR_NULL(T_)) mpi_free(T_))
         |                                                ^~
   include/linux/cleanup.h:62:78: note: in definition of macro 'DEFINE_FREE'
      62 |         static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
         |                                                                              ^~~~~
>> include/linux/cleanup.h:62:60: warning: unused variable '_T' [-Wunused-variable]
      62 |         static inline void __free_##_name(void *p) { _type _T = *(_type *)p; _free; }
         |                                                            ^~
   include/linux/mpi.h:49:1: note: in expansion of macro 'DEFINE_FREE'
      49 | DEFINE_FREE(mpi_free, MPI, if (!IS_ERR_OR_NULL(T_)) mpi_free(T_))
         | ^~~~~~~~~~~


vim +/T_ +49 include/linux/mpi.h

    45	
    46	/*-- mpiutil.c --*/
    47	MPI mpi_alloc(unsigned nlimbs);
    48	void mpi_free(MPI a);
  > 49	DEFINE_FREE(mpi_free, MPI, if (!IS_ERR_OR_NULL(T_)) mpi_free(T_))
    50	

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