tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   885df05bf634d589fbf030c3751614eaa453fb5d
commit: 1825788e2a96764ae9ad4641191b2aebec6d2b84 [2042/2748] media: dvb: add missing DVB-S2X FEC parameter values
reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=1825788e2a96764ae9ad4641191b2aebec6d2b84
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 1825788e2a96764ae9ad4641191b2aebec6d2b84
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        make htmldocs

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/202305162245.wtaLIXf3-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Documentation/output/frontend.h.rst:6: WARNING: undefined label: fec-11-45 (if the link has no caption the label must precede a section header)

vim +6 Documentation/output/frontend.h.rst

-- 
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https://github.com/intel/lkp-tests