Hi "Toke, I love your patch! Perhaps something to improve: [auto build test WARNING on mac80211-next/master] [cannot apply to v5.4-rc4 next-20191021] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Toke-H-iland-J-rgensen/Add-Airtime-Queue-Limits-AQL-to-mac80211/20191021-234455 base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master reproduce: # apt-get install sparse # sparse version: v0.6.1-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> net/mac80211/airtime.c:211:5: sparse: sparse: symbol 'ieee80211_calc_rx_airtime' was not declared. Should it be static? >> net/mac80211/airtime.c:282:5: sparse: sparse: symbol 'ieee80211_calc_tx_airtime_rate' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation