[ammarfaizi2-block:viro/vfs/work.csum 5/5] arch/x86/lib/csum-partial_64.c:119:9: warning: no previous prototype for 'ip_compute_csum'

[ammarfaizi2-block:viro/vfs/work.csum 5/5] arch/x86/lib/csum-partial_64.c:119:9: warning: no previous prototype for 'ip_compute_csum'

[kernel test robot]

tree:   https://github.com/ammarfaizi2/linux-block viro/vfs/work.csum
head:   8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
commit: 8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467 [5/5] consolidate default ip_compute_csum()
config: x86_64-buildonly-randconfig-r004-20230306 (https://download.01.org/0day-ci/archive/20230307/202303072229.Fwu3mYav-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block viro/vfs/work.csum
        git checkout 8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303072229.Fwu3mYav-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/lib/csum-partial_64.c:119:9: warning: no previous prototype for 'ip_compute_csum' [-Wmissing-prototypes]
     119 | __sum16 ip_compute_csum(const void *buff, int len)
         |         ^~~~~~~~~~~~~~~


vim +/ip_compute_csum +119 arch/x86/lib/csum-partial_64.c

^1da177e4c3f41 arch/x86_64/lib/csum-partial.c Linus Torvalds 2005-04-16  114  
^1da177e4c3f41 arch/x86_64/lib/csum-partial.c Linus Torvalds 2005-04-16  115  /*
^1da177e4c3f41 arch/x86_64/lib/csum-partial.c Linus Torvalds 2005-04-16  116   * this routine is used for miscellaneous IP-like checksums, mainly
^1da177e4c3f41 arch/x86_64/lib/csum-partial.c Linus Torvalds 2005-04-16  117   * in icmp.c
^1da177e4c3f41 arch/x86_64/lib/csum-partial.c Linus Torvalds 2005-04-16  118   */
a4f89fb7c072b8 arch/x86_64/lib/csum-partial.c Al Viro        2006-11-14 @119  __sum16 ip_compute_csum(const void *buff, int len)

:::::: The code at line 119 was first introduced by commit
:::::: a4f89fb7c072b8592b296c2ba216269c0c96db43 [NET]: X86_64 checksum annotations and cleanups.

:::::: TO: Al Viro <viro@zeniv.linux.org.uk>
:::::: CC: David S. Miller <davem@sunset.davemloft.net>

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