tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 42eb8fdac2fc5d62392dcfcf0253753e821a97b0 commit: 689a5e6fff75229ac7c2af7a9c51dc2d3ca1882b ath11k: monitor mode clean up to use separate APIs date: 8 weeks ago config: x86_64-randconfig-a006-20211118 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c46becf500df2a7fb4b4fce16178a036c344315a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 689a5e6fff75229ac7c2af7a9c51dc2d3ca1882b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): unsigned int changed_flags, ^ 1 warning generated. vim +/changed_flags +5408 drivers/net/wireless/ath/ath11k/mac.c d5c65159f28953 Kalle Valo 2019-11-23 5396 d5c65159f28953 Kalle Valo 2019-11-23 5397 /* FIXME: Has to be verified. */ d5c65159f28953 Kalle Valo 2019-11-23 5398 #define SUPPORTED_FILTERS \ d5c65159f28953 Kalle Valo 2019-11-23 5399 (FIF_ALLMULTI | \ d5c65159f28953 Kalle Valo 2019-11-23 5400 FIF_CONTROL | \ d5c65159f28953 Kalle Valo 2019-11-23 5401 FIF_PSPOLL | \ d5c65159f28953 Kalle Valo 2019-11-23 5402 FIF_OTHER_BSS | \ d5c65159f28953 Kalle Valo 2019-11-23 5403 FIF_BCN_PRBRESP_PROMISC | \ d5c65159f28953 Kalle Valo 2019-11-23 5404 FIF_PROBE_REQ | \ d5c65159f28953 Kalle Valo 2019-11-23 5405 FIF_FCSFAIL) d5c65159f28953 Kalle Valo 2019-11-23 5406 d5c65159f28953 Kalle Valo 2019-11-23 5407 static void ath11k_mac_op_configure_filter(struct ieee80211_hw *hw, d5c65159f28953 Kalle Valo 2019-11-23 @5408 unsigned int changed_flags, d5c65159f28953 Kalle Valo 2019-11-23 5409 unsigned int *total_flags, d5c65159f28953 Kalle Valo 2019-11-23 5410 u64 multicast) d5c65159f28953 Kalle Valo 2019-11-23 5411 { d5c65159f28953 Kalle Valo 2019-11-23 5412 struct ath11k *ar = hw->priv; d5c65159f28953 Kalle Valo 2019-11-23 5413 d5c65159f28953 Kalle Valo 2019-11-23 5414 mutex_lock(&ar->conf_mutex); d5c65159f28953 Kalle Valo 2019-11-23 5415 d5c65159f28953 Kalle Valo 2019-11-23 5416 changed_flags &= SUPPORTED_FILTERS; d5c65159f28953 Kalle Valo 2019-11-23 5417 *total_flags &= SUPPORTED_FILTERS; d5c65159f28953 Kalle Valo 2019-11-23 5418 ar->filter_flags = *total_flags; d5c65159f28953 Kalle Valo 2019-11-23 5419 d5c65159f28953 Kalle Valo 2019-11-23 5420 mutex_unlock(&ar->conf_mutex); d5c65159f28953 Kalle Valo 2019-11-23 5421 } d5c65159f28953 Kalle Valo 2019-11-23 5422 :::::: The code at line 5408 was first introduced by commit :::::: d5c65159f2895379e11ca13f62feabe93278985d ath11k: driver for Qualcomm IEEE 802.11ax devices :::::: TO: Kalle Valo <kvalo(a)codeaurora.org&gt; :::::: CC: Kalle Valo <kvalo(a)codeaurora.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org