KVM: s390: fix array_size.cocci warning

Message ID 56879380.12c.1847049393b.Coremail.wangkailong@jari.cn
State New
Headers
Series KVM: s390: fix array_size.cocci warning |

Commit Message

KaiLong Wang Nov. 13, 2022, 9:19 a.m. UTC
  Fix following coccicheck warning:

arch/s390/tools/gen_facilities.c:151:37-38: WARNING: Use ARRAY_SIZE

Signed-off-by: KaiLong Wang <wangkailong@jari.cn>
---
 arch/s390/tools/gen_facilities.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

kernel test robot Nov. 13, 2022, 10:29 a.m. UTC | #1
Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on s390/features]
[also build test ERROR on linus/master v6.1-rc4 next-20221111]
[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/wangkailong-jari-cn/KVM-s390-fix-array_size-cocci-warning/20221113-172457
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
patch link:    https://lore.kernel.org/r/56879380.12c.1847049393b.Coremail.wangkailong%40jari.cn
patch subject: [PATCH] KVM: s390: fix array_size.cocci warning
config: s390-randconfig-r044-20221113
compiler: s390-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://github.com/intel-lab-lkp/linux/commit/d0542ab32663c9e6759ed99998250b53300650c1
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review wangkailong-jari-cn/KVM-s390-fix-array_size-cocci-warning/20221113-172457
        git checkout d0542ab32663c9e6759ed99998250b53300650c1
        # 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=s390 prepare

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

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

   arch/s390/tools/gen_facilities.c: In function 'print_facility_lists':
>> arch/s390/tools/gen_facilities.c:151:25: warning: implicit declaration of function 'ARRAY_SIZE' [-Wimplicit-function-declaration]
     151 |         for (i = 0; i < ARRAY_SIZE(facility_defs); i++)
         |                         ^~~~~~~~~~
   /usr/bin/ld: /tmp/cc82HgHl.o: in function `main':
>> gen_facilities.c:(.text.startup+0x9a): undefined reference to `ARRAY_SIZE'
   collect2: error: ld returned 1 exit status
   make[2]: *** [scripts/Makefile.host:111: arch/s390/tools/gen_facilities] Error 1
   make[2]: Target 'kapi' not remade because of errors.
   make[1]: *** [arch/s390/Makefile:151: archprepare] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:231: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.
  

Patch

diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c
index cb0aff5c0187..f607e5092f8d 100644
--- a/arch/s390/tools/gen_facilities.c
+++ b/arch/s390/tools/gen_facilities.c
@@ -148,7 +148,7 @@  static void print_facility_lists(void)
 {
 	unsigned int i;
 
-	for (i = 0; i < sizeof(facility_defs) / sizeof(facility_defs[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(facility_defs); i++)
 		print_facility_list(&facility_defs[i]);
 }