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Message-ID: <202108140311.dorJxbPR-lkp@intel.com>
Date:   Mon, 16 Aug 2021 11:33:26 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     kbuild@...ts.01.org, Nikolay Aleksandrov <razor@...ckwall.org>,
        netdev@...r.kernel.org
Cc:     lkp@...el.com, kbuild-all@...ts.01.org, roopa@...dia.com,
        bridge@...ts.linux-foundation.org,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: Re: [PATCH net-next 4/6] net: bridge: mcast: dump ipv4 querier state

Hi Nikolay,

url:    https://github.com/0day-ci/linux/commits/Nikolay-Aleksandrov/net-bridge-mcast-dump-querier-state/20210813-230258
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git b769cf44ed55f4b277b89cf53df6092f0c9082d0
config: x86_64-randconfig-m001-20210814 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>

smatch warnings:
net/bridge/br_multicast.c:2931 br_multicast_querier_state_size() warn: sizeof(NUMBER)?

vim +2931 net/bridge/br_multicast.c

384d7e0455593b Nikolay Aleksandrov 2021-08-13  2929  size_t br_multicast_querier_state_size(void)
384d7e0455593b Nikolay Aleksandrov 2021-08-13  2930  {
384d7e0455593b Nikolay Aleksandrov 2021-08-13 @2931  	return nla_total_size(sizeof(0)) +      /* nest attribute */
                                                                              ^^^^^^^^^
This looks like it's probably intentional, but wouldn't it be more
readable to say sizeof(int) as it does below?

384d7e0455593b Nikolay Aleksandrov 2021-08-13  2932  	       nla_total_size(sizeof(__be32)) + /* BRIDGE_QUERIER_IP_ADDRESS */
384d7e0455593b Nikolay Aleksandrov 2021-08-13  2933  	       nla_total_size(sizeof(int)) +    /* BRIDGE_QUERIER_IP_PORT */
384d7e0455593b Nikolay Aleksandrov 2021-08-13  2934  	       nla_total_size_64bit(sizeof(u64)); /* BRIDGE_QUERIER_IP_OTHER_TIMER */
384d7e0455593b Nikolay Aleksandrov 2021-08-13  2935  }

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

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