tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   1bd8b75fe6adeaa89d02968bdd811ffe708cf839
commit: d6f1e89bdbb87365adcf16dfca40cdef6726d616 [9925/10852] sunhme: Return an ERR_PTR from quattro_pci_find
config: sparc-randconfig-r015-20220926
compiler: sparc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d6f1e89bdbb87365adcf16dfca40cdef6726d616
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout d6f1e89bdbb87365adcf16dfca40cdef6726d616
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/net/ethernet/sun/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/string.h:20,
                    from include/linux/bitmap.h:11,
                    from include/linux/cpumask.h:12,
                    from include/linux/mm_types_task.h:14,
                    from include/linux/mm_types.h:5,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/net/ethernet/sun/sunhme.c:17:
   drivers/net/ethernet/sun/sunhme.c: In function 'quattro_sbus_find':
>> arch/sparc/include/asm/string.h:18:29: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size]
      18 | #define memset(s, c, count) __builtin_memset(s, c, count)
         |                             ^~~~~~~~~~~~~~~~
   drivers/net/ethernet/sun/sunhme.c:2504:9: note: in expansion of macro 'memset'
    2504 |         memset(qp->happy_meals, 0, sizeof(*qp->happy_meals));
         |         ^~~~~~
   drivers/net/ethernet/sun/sunhme.c: In function 'happy_meal_sbus_probe_one':
   drivers/net/ethernet/sun/sunhme.c:2646:13: error: 'hme_version_printed' undeclared (first use in this function)
    2646 |         if (hme_version_printed++ == 0)
         |             ^~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/sun/sunhme.c:2646:13: note: each undeclared identifier is reported only once for each function it appears in
   In file included from include/linux/kernel.h:29,
                    from include/linux/cpumask.h:10:
   drivers/net/ethernet/sun/sunhme.c:2647:40: error: 'version' undeclared (first use in this function)
    2647 |                 printk(KERN_INFO "%s", version);
         |                                        ^~~~~~~
   include/linux/printk.h:436:33: note: in definition of macro 'printk_index_wrap'
     436 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                                 ^~~~~~~~~~~
   drivers/net/ethernet/sun/sunhme.c:2647:17: note: in expansion of macro 'printk'
    2647 |                 printk(KERN_INFO "%s", version);
         |                 ^~~~~~


vim +/memset +18 arch/sparc/include/asm/string.h

70a6fcf3283a0a Al Viro 2016-01-17  16  
70a6fcf3283a0a Al Viro 2016-01-17  17  #define __HAVE_ARCH_MEMSET
70a6fcf3283a0a Al Viro 2016-01-17 @18  #define memset(s, c, count) __builtin_memset(s, c, count)
70a6fcf3283a0a Al Viro 2016-01-17  19  

:::::: The code at line 18 was first introduced by commit
:::::: 70a6fcf3283a0ac1e11737c6d90c0753f9824e9d [sparc] unify 32bit and 64bit string.h

:::::: TO: Al Viro <viro@zeniv.linux.org.uk>
:::::: CC: Al Viro <viro@zeniv.linux.org.uk>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp