Re: [RFC PATCH v15 12/21] security: add security_bdev_setintegrity() hook

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

Hi Fan,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on axboe-block/for-next]
[also build test WARNING on linus/master next-20240315]
[cannot apply to device-mapper-dm/for-next lwn/docs-next v6.8]
[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/Fan-Wu/security-add-ipe-lsm/20240316-114235
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/1710560151-28904-13-git-send-email-wufan%40linux.microsoft.com
patch subject: [RFC PATCH v15 12/21] security: add security_bdev_setintegrity() hook
config: arm-defconfig (https://download.01.org/0day-ci/archive/20240316/202403161802.hmWTZ21U-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240316/202403161802.hmWTZ21U-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/202403161802.hmWTZ21U-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from fs/nfs/flexfilelayout/flexfilelayout.c:10:
   In file included from include/linux/nfs_fs.h:32:
   In file included from include/linux/sunrpc/clnt.h:29:
   In file included from include/net/ipv6.h:12:
   In file included from include/linux/ipv6.h:101:
   In file included from include/linux/tcp.h:19:
   In file included from include/net/sock.h:46:
   In file included from include/linux/netdevice.h:45:
   In file included from include/uapi/linux/neighbour.h:6:
   In file included from include/linux/netlink.h:9:
   In file included from include/net/scm.h:9:
   include/linux/security.h:1506:32: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
                                                enum lsm_intgr_type, type,
                                                                     ^
>> include/linux/security.h:1506:30: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
                                                enum lsm_intgr_type, type,
                                                                   ^
   fs/nfs/flexfilelayout/flexfilelayout.c:1230:6: warning: variable 'err' set but not used [-Wunused-but-set-variable]
           int err;
               ^
   2 warnings and 1 error generated.
--
   In file included from fs/nfs/flexfilelayout/flexfilelayoutdev.c:10:
   In file included from include/linux/nfs_fs.h:32:
   In file included from include/linux/sunrpc/clnt.h:29:
   In file included from include/net/ipv6.h:12:
   In file included from include/linux/ipv6.h:101:
   In file included from include/linux/tcp.h:19:
   In file included from include/net/sock.h:46:
   In file included from include/linux/netdevice.h:45:
   In file included from include/uapi/linux/neighbour.h:6:
   In file included from include/linux/netlink.h:9:
   In file included from include/net/scm.h:9:
   include/linux/security.h:1506:32: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
                                                enum lsm_intgr_type, type,
                                                                     ^
>> include/linux/security.h:1506:30: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
                                                enum lsm_intgr_type, type,
                                                                   ^
   fs/nfs/flexfilelayout/flexfilelayoutdev.c:55:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
           int i, ret = -ENOMEM;
                  ^
   2 warnings and 1 error generated.


vim +1506 include/linux/security.h

  1504	
  1505	static inline int security_bdev_setintegrity(struct block_device *bdev,
> 1506						     enum lsm_intgr_type, type,
  1507						     const void *value, size_t size)
  1508	{
  1509		return 0;
  1510	}
  1511	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki