Re: [PATCH v1 net-next 04/15] ipv4: Retire UDP-Lite.

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

Hi Kuniyuki,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/udp-Make-udp-46-_seq_show-static/20260305-033454
base:   net-next/main
patch link:    https://lore.kernel.org/r/20260304193034.1870586-5-kuniyu%40google.com
patch subject: [PATCH v1 net-next 04/15] ipv4: Retire UDP-Lite.
config: nios2-randconfig-r131-20260305 (https://download.01.org/0day-ci/archive/20260305/202603052252.qcNefHFm-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260305/202603052252.qcNefHFm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603052252.qcNefHFm-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> net/ipv4/udp.c:3748:29: sparse: sparse: symbol 'udp_seq_ops' was not declared. Should it be static?
   net/ipv4/udp.c: note: in included file (through include/uapi/linux/swab.h, include/linux/swab.h, include/uapi/linux/byteorder/little_endian.h, ...):
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini
   arch/nios2/include/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini

vim +/udp_seq_ops +3748 net/ipv4/udp.c

f44b1c515833c59 Aditi Ghag        2023-05-19  3747  
c3506372277779f Christoph Hellwig 2018-04-10 @3748  const struct seq_operations udp_seq_ops = {
a3d2599b24462c7 Christoph Hellwig 2018-04-10  3749  	.start		= udp_seq_start,
a3d2599b24462c7 Christoph Hellwig 2018-04-10  3750  	.next		= udp_seq_next,
a3d2599b24462c7 Christoph Hellwig 2018-04-10  3751  	.stop		= udp_seq_stop,
a3d2599b24462c7 Christoph Hellwig 2018-04-10  3752  	.show		= udp4_seq_show,
a3d2599b24462c7 Christoph Hellwig 2018-04-10  3753  };
73cb88ecb950ee6 Arjan van de Ven  2011-10-30  3754  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki