netdev - Re: [PATCH v2 net-next 6/6] af_unix: Remove unix_table

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Date:   Tue, 21 Jun 2022 05:39:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuniyuki Iwashima <kuniyu@...zon.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        netdev@...r.kernel.org, Amit Shah <aams@...zon.com>,
        Kuniyuki Iwashima <kuniyu@...zon.com>
Subject: Re: [PATCH v2 net-next 6/6] af_unix: Remove unix_table_locks.

Hi Kuniyuki,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/af_unix-Introduce-per-netns-socket-hash-table/20220621-025503
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git dbca1596bbb08318f5e3b3b99f8ca0a0d3830a65
config: i386-randconfig-a012-20220620 (https://download.01.org/0day-ci/archive/20220621/202206210554.YYgdQz8e-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f)
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/f2cd3aee6929543114a0728717969d9bb2f6fa90
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kuniyuki-Iwashima/af_unix-Introduce-per-netns-socket-hash-table/20220621-025503
        git checkout f2cd3aee6929543114a0728717969d9bb2f6fa90
        # 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/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> net/unix/diag.c:247:18: error: use of undeclared identifier 'unix_table_locks'
                                   spin_unlock(&unix_table_locks[i]);
                                                ^
   1 error generated.


vim +/unix_table_locks +247 net/unix/diag.c

22931d3b906cd0 Pavel Emelyanov   2011-12-15  235  
a50feb1de03567 Kuniyuki Iwashima 2022-06-20  236  static struct sock *unix_lookup_by_ino(struct net *net, unsigned int ino)
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  237  {
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  238  	struct sock *sk;
afd20b9290e184 Kuniyuki Iwashima 2021-11-24  239  	int i;
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  240  
614d83f20d005b Kuniyuki Iwashima 2022-06-20  241  	for (i = 0; i < UNIX_HASH_SIZE; i++) {
a50feb1de03567 Kuniyuki Iwashima 2022-06-20  242  		spin_lock(&net->unx.table.locks[i]);
868a38bbd9ad2a Kuniyuki Iwashima 2022-06-20  243  		sk_for_each(sk, &net->unx.table.buckets[i]) {
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  244  			if (ino == sock_i_ino(sk)) {
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  245  				sock_hold(sk);
a50feb1de03567 Kuniyuki Iwashima 2022-06-20  246  				spin_unlock(&net->unx.table.locks[i]);
afd20b9290e184 Kuniyuki Iwashima 2021-11-24 @247  				spin_unlock(&unix_table_locks[i]);
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  248  				return sk;
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  249  			}
868a38bbd9ad2a Kuniyuki Iwashima 2022-06-20  250  		}
a50feb1de03567 Kuniyuki Iwashima 2022-06-20  251  		spin_unlock(&net->unx.table.locks[i]);
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  252  	}
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  253  	return NULL;
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  254  }
5d3cae8bc39dd3 Pavel Emelyanov   2011-12-15  255  

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