Hi Rameshkumar, kernel test robot noticed the following build warnings: [auto build test WARNING on kvalo-ath/ath-next] [also build test WARNING on wireless/main wireless-next/main linus/master next-20240314] [cannot apply to v6.8] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Rameshkumar-Sundaram/wifi-ath12k-add-multiple-radio-support-in-a-single-MAC-HW-un-register/20240312-215924 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath-next patch link: https://lore.kernel.org/r/20240312135557.1778379-5-quic_ramess%40quicinc.com patch subject: [PATCH v4 04/12] wifi: ath12k: vdev statemachine changes for single wiphy config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20240314/202403141850.4ccwnsut-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 503c55e17037436dcd45ac69dea8967e67e3f5e8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240314/202403141850.4ccwnsut-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403141850.4ccwnsut-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/net/mac80211.h:18: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/powerpc/include/asm/cacheflush.h:7: In file included from include/linux/mm.h:2188: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/wireless/ath/ath12k/mac.c:7: In file included from include/net/mac80211.h:20: In file included from include/linux/ieee80211.h:20: In file included from include/linux/etherdevice.h:21: In file included from include/linux/netdevice.h:45: In file included from include/uapi/linux/neighbour.h:6: In file included from include/linux/netlink.h:9: In file included from include/net/scm.h:9: In file included from include/linux/security.h:35: include/linux/bpf.h:742:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 742 | ARG_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~ include/linux/bpf.h:743:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 743 | ARG_PTR_TO_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MEM, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ include/linux/bpf.h:744:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 744 | ARG_PTR_TO_CTX_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_CTX, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ include/linux/bpf.h:745:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 745 | ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ include/linux/bpf.h:746:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 746 | ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~ include/linux/bpf.h:747:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 747 | ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ include/linux/bpf.h:751:38: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 751 | ARG_PTR_TO_UNINIT_MEM = MEM_UNINIT | ARG_PTR_TO_MEM, | ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ include/linux/bpf.h:753:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion] 753 | ARG_PTR_TO_FIXED_SIZE_MEM = MEM_FIXED_SIZE | ARG_PTR_TO_MEM, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ include/linux/bpf.h:776:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 776 | RET_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~ include/linux/bpf.h:777:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 777 | RET_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ include/linux/bpf.h:778:47: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 778 | RET_PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~ include/linux/bpf.h:779:50: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 779 | RET_PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~ include/linux/bpf.h:781:49: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 781 | RET_PTR_TO_DYNPTR_MEM_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MEM, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~ include/linux/bpf.h:782:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 782 | RET_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ include/linux/bpf.h:783:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion] 783 | RET_PTR_TO_BTF_ID_TRUSTED = PTR_TRUSTED | RET_PTR_TO_BTF_ID, | ~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ include/linux/bpf.h:894:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion] 894 | PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~ include/linux/bpf.h:895:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion] 895 | PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~ include/linux/bpf.h:896:46: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion] 896 | PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~ include/linux/bpf.h:897:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion] 897 | PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ include/linux/bpf.h:898:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion] 898 | PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID, | ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~ >> drivers/net/wireless/ath/ath12k/mac.c:6038:54: warning: variable 'bit' is uninitialized when used here [-Wuninitialized] 6038 | ath12k_warn(ab, "failed to create vdev %d ret %d", bit, ret); | ^~~ drivers/net/wireless/ath/ath12k/mac.c:6001:8: note: initialize the variable 'bit' to silence this warning 6001 | u8 bit; | ^ | = '\0' 26 warnings generated. vim +/bit +6038 drivers/net/wireless/ath/ath12k/mac.c 5991 5992 static struct ath12k *ath12k_mac_assign_vif_to_vdev(struct ieee80211_hw *hw, 5993 struct ieee80211_vif *vif, 5994 struct ieee80211_chanctx_conf *ctx) 5995 { 5996 struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif); 5997 struct ath12k_hw *ah = hw->priv; 5998 struct ath12k_base *ab; 5999 struct ath12k *ar; 6000 int ret; 6001 u8 bit; 6002 6003 if (arvif->ar) { 6004 WARN_ON(!arvif->is_created); 6005 goto out; 6006 } 6007 6008 if (ah->num_radio == 1) 6009 ar = ah->radio; 6010 else if (ctx) 6011 ar = ath12k_get_ar_by_ctx(hw, ctx); 6012 else 6013 return NULL; 6014 6015 if (!ar) 6016 goto out; 6017 6018 ab = ar->ab; 6019 6020 mutex_lock(&ar->conf_mutex); 6021 6022 if (vif->type == NL80211_IFTYPE_AP && 6023 ar->num_peers > (ar->max_num_peers - 1)) { 6024 ath12k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n"); 6025 ret = -ENOBUFS; 6026 goto unlock; 6027 } 6028 6029 if (ar->num_created_vdevs > (TARGET_NUM_VDEVS - 1)) { 6030 ath12k_warn(ab, "failed to create vdev, reached max vdev limit %d\n", 6031 TARGET_NUM_VDEVS); 6032 ret = -EBUSY; 6033 goto unlock; 6034 } 6035 6036 ret = ath12k_mac_vdev_create(ar, vif); 6037 if (ret) { > 6038 ath12k_warn(ab, "failed to create vdev %d ret %d", bit, ret); 6039 goto unlock; 6040 } 6041 6042 /* TODO If the vdev is created during channel assign and not during 6043 * add_interface(), Apply any parameters for the vdev which were received 6044 * after add_interface, corresponding to this vif. 6045 */ 6046 unlock: 6047 mutex_unlock(&ar->conf_mutex); 6048 out: 6049 return arvif->ar; 6050 } 6051 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki