Hi Gustavo, kernel test robot noticed the following build errors:
[auto build test ERROR on wireless-next/main] [also build test ERROR on wireless/main linus/master v6.11-rc2 next-20240809] [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/Gustavo-A-R-Silva/wifi-iwlwifi-mvm-Use-__counted_by-and-avoid-Wfamnae-warnings/20240810-103759 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/ZrZs5KL5Pz9tIinr%40cute patch subject: [PATCH v2][next] wifi: iwlwifi: mvm: Use __counted_by() and avoid -Wfamnae warnings config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20240811/[email protected]/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project f86594788ce93b696675c94f54016d27a6c21d18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240811/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from drivers/net/wireless/intel/iwlwifi/mvm/d3.c:7: In file included from include/linux/etherdevice.h:20: 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/riscv/include/asm/cacheflush.h:9: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2149:2: error: call to >> '__compiletime_assert_1044' declared with 'error' attribute: BUILD_BUG_ON >> failed: conf->keylen < WLAN_KEY_LEN_GCMP_256 2149 | BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_GCMP_256); | ^ include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^ include/linux/compiler_types.h:510:2: note: expanded from macro 'compiletime_assert' 510 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:498:2: note: expanded from macro '_compiletime_assert' 498 | __compiletime_assert(condition, msg, prefix, suffix) | ^ include/linux/compiler_types.h:491:4: note: expanded from macro '__compiletime_assert' 491 | prefix ## suffix(); \ | ^ <scratch space>:38:1: note: expanded from here 38 | __compiletime_assert_1044 | ^ >> drivers/net/wireless/intel/iwlwifi/mvm/d3.c:2148:2: error: call to >> '__compiletime_assert_1043' declared with 'error' attribute: BUILD_BUG_ON >> failed: conf->keylen < WLAN_KEY_LEN_CCMP 2148 | BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_CCMP); | ^ include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^ include/linux/compiler_types.h:510:2: note: expanded from macro 'compiletime_assert' 510 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:498:2: note: expanded from macro '_compiletime_assert' 498 | __compiletime_assert(condition, msg, prefix, suffix) | ^ include/linux/compiler_types.h:491:4: note: expanded from macro '__compiletime_assert' 491 | prefix ## suffix(); \ | ^ <scratch space>:34:1: note: expanded from here 34 | __compiletime_assert_1043 | ^ 5 warnings and 2 errors generated. vim +2149 drivers/net/wireless/intel/iwlwifi/mvm/d3.c 2134 2135 static bool iwl_mvm_gtk_rekey(struct iwl_wowlan_status_data *status, 2136 struct ieee80211_vif *vif, 2137 struct iwl_mvm *mvm, u32 gtk_cipher) 2138 { 2139 int i, j; 2140 struct ieee80211_key_conf *key; 2141 DEFINE_FLEX(struct ieee80211_key_conf, conf, key, keylen, 2142 WOWLAN_KEY_MAX_SIZE); 2143 int link_id = vif->active_links ? __ffs(vif->active_links) : -1; 2144 2145 conf->cipher = gtk_cipher; 2146 2147 BUILD_BUG_ON(WLAN_KEY_LEN_CCMP != WLAN_KEY_LEN_GCMP); > 2148 BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_CCMP); > 2149 BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_GCMP_256); 2150 BUILD_BUG_ON(conf->keylen < WLAN_KEY_LEN_TKIP); 2151 BUILD_BUG_ON(conf->keylen < sizeof(status->gtk[0].key)); 2152 2153 switch (gtk_cipher) { 2154 case WLAN_CIPHER_SUITE_CCMP: 2155 case WLAN_CIPHER_SUITE_GCMP: 2156 conf->keylen = WLAN_KEY_LEN_CCMP; 2157 break; 2158 case WLAN_CIPHER_SUITE_GCMP_256: 2159 conf->keylen = WLAN_KEY_LEN_GCMP_256; 2160 break; 2161 case WLAN_CIPHER_SUITE_TKIP: 2162 conf->keylen = WLAN_KEY_LEN_TKIP; 2163 break; 2164 default: 2165 WARN_ON(1); 2166 } 2167 2168 for (i = 0; i < ARRAY_SIZE(status->gtk); i++) { 2169 if (!status->gtk[i].len) 2170 continue; 2171 2172 conf->keyidx = status->gtk[i].id; 2173 IWL_DEBUG_WOWLAN(mvm, 2174 "Received from FW GTK cipher %d, key index %d\n", 2175 conf->cipher, conf->keyidx); 2176 memcpy(conf->key, status->gtk[i].key, 2177 sizeof(status->gtk[i].key)); 2178 2179 key = ieee80211_gtk_rekey_add(vif, conf, link_id); 2180 if (IS_ERR(key)) 2181 return false; 2182 2183 for (j = 0; j < ARRAY_SIZE(status->gtk_seq); j++) { 2184 if (!status->gtk_seq[j].valid || 2185 status->gtk_seq[j].key_id != key->keyidx) 2186 continue; 2187 iwl_mvm_set_key_rx_seq_idx(key, status, j); 2188 break; 2189 } 2190 WARN_ON(j == ARRAY_SIZE(status->gtk_seq)); 2191 } 2192 2193 return true; 2194 } 2195 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
