Re: [PATCH v4 16/19] tcp: authopt: Add /proc/net/tcp_authopt listing all keys

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

Hi Leonard,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on f4f2970dfd87e5132c436e6125148914596a9863]

url:    https://github.com/0day-ci/linux/commits/Leonard-Crestez/tcp-Initial-support-for-RFC5925-auth-option/20211223-234349
base:   f4f2970dfd87e5132c436e6125148914596a9863
config: riscv-randconfig-c006-20211226 (https://download.01.org/0day-ci/archive/20211226/202112260500.dMAhM2XB-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a9e8b1ee7fd44b53c555a7823ae8fd1a8209c520)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/78eca32fd5749f14aa4db0d123364a310f70392b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Leonard-Crestez/tcp-Initial-support-for-RFC5925-auth-option/20211223-234349
        git checkout 78eca32fd5749f14aa4db0d123364a310f70392b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/iio/accel/ net/ipv4/

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/ipv4/tcp_authopt.c:1742:36: warning: unused variable 'tcp_authopt_seq_ops' [-Wunused-const-variable]
   static const struct seq_operations tcp_authopt_seq_ops = {
                                      ^
   1 warning generated.


vim +/tcp_authopt_seq_ops +1742 net/ipv4/tcp_authopt.c

  1741	
> 1742	static const struct seq_operations tcp_authopt_seq_ops = {
  1743		.start		= tcp_authopt_seq_start,
  1744		.next		= tcp_authopt_seq_next,
  1745		.stop		= tcp_authopt_seq_stop,
  1746		.show		= tcp_authopt_seq_show,
  1747	};
  1748	

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