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SubjectRe: [PATCH] batman-adv: remove unnecessary type castings
Hi Yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING 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: m68k-defconfig (https://download.01.org/0day-ci/archive/20220422/202204221027.ETcMYyKP-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/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=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash net/batman-adv/

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 >>):

net/batman-adv/bridge_loop_avoidance.c: In function 'batadv_choose_claim':
>> net/batman-adv/bridge_loop_avoidance.c:68:42: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
68 | struct batadv_bla_claim *claim = data;
| ^~~~


vim +/const +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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