Hi Yu,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.18-rc3 next-20220421]
[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]

url:    
https://github.com/intel-lab-lkp/linux/commits/Yu-Zhe/batman-adv-remove-unnecessary-type-castings/20220421-235254
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
b253435746d9a4a701b5f09211b9c14d3370d0da
config: i386-randconfig-a013 
(https://download.01.org/0day-ci/archive/20220422/[email protected]/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 
5bd87350a5ae429baf8f373cb226a57b62f87280)
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/2474b41c585e849d3546e0aba8f3c862735a04ff
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review 
Yu-Zhe/batman-adv-remove-unnecessary-type-castings/20220421-235254
        git checkout 2474b41c585e849d3546e0aba8f3c862735a04ff
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 
O=build_dir ARCH=i386 SHELL=/bin/bash net/batman-adv/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

>> net/batman-adv/bridge_loop_avoidance.c:68:27: error: initializing 'struct 
>> batadv_bla_claim *' with an expression of type 'const void *' discards 
>> qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           struct batadv_bla_claim *claim = data;
                                    ^       ~~~~
   1 error generated.
--
>> net/batman-adv/translation-table.c:109:5: error: assigning to 'struct 
>> batadv_tt_common_entry *' from 'const void *' discards qualifiers 
>> [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           tt = data;
              ^ ~~~~
   1 error generated.


vim +68 net/batman-adv/bridge_loop_avoidance.c

    53  
    54  static void batadv_bla_periodic_work(struct work_struct *work);
    55  static void
    56  batadv_bla_send_announce(struct batadv_priv *bat_priv,
    57                           struct batadv_bla_backbone_gw *backbone_gw);
    58  
    59  /**
    60   * batadv_choose_claim() - choose the right bucket for a claim.
    61   * @data: data to hash
    62   * @size: size of the hash table
    63   *
    64   * Return: the hash index of the claim
    65   */
    66  static inline u32 batadv_choose_claim(const void *data, u32 size)
    67  {
  > 68          struct batadv_bla_claim *claim = data;
    69          u32 hash = 0;
    70  
    71          hash = jhash(&claim->addr, sizeof(claim->addr), hash);
    72          hash = jhash(&claim->vid, sizeof(claim->vid), hash);
    73  
    74          return hash % size;
    75  }
    76  

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

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