Building documentation reports multiple warnings for undefined DVB frontend labels: Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-11-45' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-4-15' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-14-45' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-7-15' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-11-45' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-4-15' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-14-45' Documentation/output/frontend.h.rst:6: WARNING: undefined label: 'fec-7-15' so add those symbols to the ignore list to prevent the build warnings. Fixes: 1825788e2a96 ("media: dvb: add missing DVB-S2X FEC parameter values") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Link: https://lore.kernel.org/linux-media/202305162245.wtaLIXf3-lkp@xxxxxxxxx/ Cc: Athanasios Oikonomou <athoik@xxxxxxxxx> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> Cc: linux-media@xxxxxxxxxxxxxxx Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: linux-doc@xxxxxxxxxxxxxxx --- Documentation/userspace-api/media/frontend.h.rst.exceptions | 4 ++++ 1 file changed, 4 insertions(+) diff -- a/Documentation/userspace-api/media/frontend.h.rst.exceptions b/Documentation/userspace-api/media/frontend.h.rst.exceptions --- a/Documentation/userspace-api/media/frontend.h.rst.exceptions +++ b/Documentation/userspace-api/media/frontend.h.rst.exceptions @@ -142,6 +142,10 @@ ignore symbol FEC_26_45 ignore symbol FEC_28_45 ignore symbol FEC_32_45 ignore symbol FEC_77_90 +ignore symbol FEC_11_45 +ignore symbol FEC_4_15 +ignore symbol FEC_14_45 +ignore symbol FEC_7_15 ignore symbol TRANSMISSION_MODE_AUTO ignore symbol TRANSMISSION_MODE_1K