[zen-kernel-zen-kernel:5.13/futex2 13/19] futex2_sizes.c:65:10: warning: comparison between pointer and integer

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

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tree:   https://github.com/zen-kernel/zen-kernel 5.13/futex2
head:   db649ce1f5de12432be5bfedd8388eacc2f85efc
commit: 109091dbebdb22d9c1f926e501dad6a7377e5296 [13/19] selftests: futex2: Add futex sizes test
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/zen-kernel/zen-kernel/commit/109091dbebdb22d9c1f926e501dad6a7377e5296
        git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen-kernel-zen-kernel 5.13/futex2
        git checkout 109091dbebdb22d9c1f926e501dad6a7377e5296
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests install

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

All warnings (new ones prefixed by >>):

   futex2_sizes.c: In function 'waiterfn':
>> futex2_sizes.c:65:10: warning: comparison between pointer and integer
      65 |  if (ret == ERROR)
         |          ^~
   In file included from futex2_sizes.c:27:
>> ../include/logging.h:135:20: warning: format '%d' expects a matching 'int' argument [-Wformat=]
     135 |    fprintf(stderr, "\t%s: %s: "message, \
         |                    ^~~~~~~~~~~~
   futex2_sizes.c:66:3: note: in expansion of macro 'error'
      66 |   error("waiter failed %d errno %d\n", ret, errno);
         |   ^~~~~
   ../include/logging.h:138:20: warning: format '%d' expects a matching 'int' argument [-Wformat=]
     138 |    fprintf(stderr, "\t%s: "message, ERROR, ##args); \
         |                    ^~~~~~~~
   futex2_sizes.c:66:3: note: in expansion of macro 'error'
      66 |   error("waiter failed %d errno %d\n", ret, errno);
         |   ^~~~~
   futex2_sizes.c: In function 'main':
   futex2_sizes.c:98:12: warning: unused variable 'waiter' [-Wunused-variable]
      98 |  pthread_t waiter;
         |            ^~~~~~
   futex2_sizes.c:97:12: warning: unused variable 'f_private' [-Wunused-variable]
      97 |  u_int32_t f_private = 0;
         |            ^~~~~~~~~
   futex2_sizes.c:96:34: warning: unused variable 'shm_id' [-Wunused-variable]
      96 |  int res, ret = RET_PASS, fd, c, shm_id;
         |                                  ^~~~~~
   futex2_sizes.c:96:27: warning: unused variable 'fd' [-Wunused-variable]
      96 |  int res, ret = RET_PASS, fd, c, shm_id;
         |                           ^~
   futex2_sizes.c:96:6: warning: unused variable 'res' [-Wunused-variable]
      96 |  int res, ret = RET_PASS, fd, c, shm_id;
         |      ^~~

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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