Re: [PATCH v2 security-next 1/4] security: Hornet LSM

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

Hi Blaise,

kernel test robot noticed the following build errors:

[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes herbert-cryptodev-2.6/master herbert-crypto-2.6/master masahiroy-kbuild/for-next masahiroy-kbuild/fixes v6.14]
[cannot apply to linus/master next-20250404]
[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/Blaise-Boscaccy/security-Hornet-LSM/20250405-055741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link:    https://lore.kernel.org/r/20250404215527.1563146-2-bboscaccy%40linux.microsoft.com
patch subject: [PATCH v2 security-next 1/4] security: Hornet LSM
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250406/202504061441.FMnrO665-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250406/202504061441.FMnrO665-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/202504061441.FMnrO665-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from security/hornet/hornet_lsm.c:10:
>> security/hornet/hornet_lsm.c:221:38: error: initialization of 'int (*)(struct bpf_prog *, union bpf_attr *, struct bpf_token *)' from incompatible pointer type 'int (*)(struct bpf_prog *, union bpf_attr *, struct bpf_token *, bool)' {aka 'int (*)(struct bpf_prog *, union bpf_attr *, struct bpf_token *, _Bool)'} [-Wincompatible-pointer-types]
     221 |         LSM_HOOK_INIT(bpf_prog_load, hornet_bpf_prog_load),
         |                                      ^~~~~~~~~~~~~~~~~~~~
   include/linux/lsm_hooks.h:136:35: note: in definition of macro 'LSM_HOOK_INIT'
     136 |                 .hook = { .NAME = HOOK }                \
         |                                   ^~~~
   security/hornet/hornet_lsm.c:221:38: note: (near initialization for 'hornet_hooks[0].hook.bpf_prog_load')
     221 |         LSM_HOOK_INIT(bpf_prog_load, hornet_bpf_prog_load),
         |                                      ^~~~~~~~~~~~~~~~~~~~
   include/linux/lsm_hooks.h:136:35: note: in definition of macro 'LSM_HOOK_INIT'
     136 |                 .hook = { .NAME = HOOK }                \
         |                                   ^~~~


vim +221 security/hornet/hornet_lsm.c

   219	
   220	static struct security_hook_list hornet_hooks[] __ro_after_init = {
 > 221		LSM_HOOK_INIT(bpf_prog_load, hornet_bpf_prog_load),
   222	};
   223	

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