tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2bd48302750c652889a2604b3df8b591c1d3af08 commit: dc5399a50b45fa7656375612f0c9eb9bf47c0f9f [8108/9257] mt76: reverse the first fragmented frame to 802.11 config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20211222/202112222318.8af5g3NE-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=dc5399a50b45fa7656375612f0c9eb9bf47c0f9f git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout dc5399a50b45fa7656375612f0c9eb9bf47c0f9f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:29: sparse: sparse: cast to restricted __le32 >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:29: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:29: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] frame_control @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:27: sparse: expected restricted __le16 [usertype] frame_control drivers/net/wireless/mediatek/mt76/mt7615/mac.c:279:27: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:24: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:24: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] seq_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:22: sparse: expected restricted __le16 [usertype] seq_ctrl drivers/net/wireless/mediatek/mt76/mt7615/mac.c:280:22: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:20: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:20: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] qos_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:18: sparse: expected restricted __le32 [usertype] qos_ctrl drivers/net/wireless/mediatek/mt76/mt7615/mac.c:281:18: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:19: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:19: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ht_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:17: sparse: expected restricted __le32 [usertype] ht_ctrl drivers/net/wireless/mediatek/mt76/mt7615/mac.c:282:17: sparse: got unsigned long >> drivers/net/wireless/mediatek/mt76/mt7615/mac.c:310:25: sparse: sparse: restricted __be16 degrades to integer drivers/net/wireless/mediatek/mt76/mt7615/mac.c:310:37: sparse: sparse: restricted __be16 degrades to integer -- drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:29: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:29: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:29: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] frame_control @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:27: sparse: expected restricted __le16 [usertype] frame_control drivers/net/wireless/mediatek/mt76/mt7915/mac.c:414:27: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:24: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:24: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] seq_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:22: sparse: expected restricted __le16 [usertype] seq_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:415:22: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:20: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:20: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] qos_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:18: sparse: expected restricted __le32 [usertype] qos_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:416:18: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:19: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:19: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ht_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:17: sparse: expected restricted __le32 [usertype] ht_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:17: sparse: got unsigned long >> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:445:25: sparse: sparse: restricted __be16 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:445:37: sparse: sparse: restricted __be16 degrades to integer -- drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:29: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:29: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:29: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] frame_control @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:27: sparse: expected restricted __le16 [usertype] frame_control drivers/net/wireless/mediatek/mt76/mt7921/mac.c:425:27: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:24: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:24: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] seq_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:22: sparse: expected restricted __le16 [usertype] seq_ctrl drivers/net/wireless/mediatek/mt76/mt7921/mac.c:426:22: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:20: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:20: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] qos_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:18: sparse: expected restricted __le32 [usertype] qos_ctrl drivers/net/wireless/mediatek/mt76/mt7921/mac.c:427:18: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:19: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:19: sparse: sparse: restricted __le32 degrades to integer >> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ht_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:17: sparse: expected restricted __le32 [usertype] ht_ctrl drivers/net/wireless/mediatek/mt76/mt7921/mac.c:428:17: sparse: got unsigned long >> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:456:25: sparse: sparse: restricted __be16 degrades to integer drivers/net/wireless/mediatek/mt76/mt7921/mac.c:456:37: sparse: sparse: restricted __be16 degrades to integer vim +279 drivers/net/wireless/mediatek/mt76/mt7615/mac.c 251 252 /* The HW does not translate the mac header to 802.3 for mesh point */ 253 static int mt7615_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) 254 { 255 struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; 256 struct mt7615_sta *msta = (struct mt7615_sta *)status->wcid; 257 struct ieee80211_sta *sta; 258 struct ieee80211_vif *vif; 259 struct ieee80211_hdr hdr; 260 struct ethhdr eth_hdr; 261 __le32 *rxd = (__le32 *)skb->data; 262 __le32 qos_ctrl, ht_ctrl; 263 264 if (FIELD_GET(MT_RXD1_NORMAL_ADDR_TYPE, le32_to_cpu(rxd[1])) != 265 MT_RXD1_NORMAL_U2M) 266 return -EINVAL; 267 268 if (!(le32_to_cpu(rxd[0]) & MT_RXD0_NORMAL_GROUP_4)) 269 return -EINVAL; 270 271 if (!msta || !msta->vif) 272 return -EINVAL; 273 274 sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); 275 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); 276 277 /* store the info from RXD and ethhdr to avoid being overridden */ 278 memcpy(ð_hdr, skb->data + hdr_gap, sizeof(eth_hdr)); > 279 hdr.frame_control = FIELD_GET(MT_RXD4_FRAME_CONTROL, rxd[4]); > 280 hdr.seq_ctrl = FIELD_GET(MT_RXD6_SEQ_CTRL, rxd[6]); > 281 qos_ctrl = FIELD_GET(MT_RXD6_QOS_CTL, rxd[6]); > 282 ht_ctrl = FIELD_GET(MT_RXD7_HT_CONTROL, rxd[7]); 283 284 hdr.duration_id = 0; 285 ether_addr_copy(hdr.addr1, vif->addr); 286 ether_addr_copy(hdr.addr2, sta->addr); 287 switch (le16_to_cpu(hdr.frame_control) & 288 (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) { 289 case 0: 290 ether_addr_copy(hdr.addr3, vif->bss_conf.bssid); 291 break; 292 case IEEE80211_FCTL_FROMDS: 293 ether_addr_copy(hdr.addr3, eth_hdr.h_source); 294 break; 295 case IEEE80211_FCTL_TODS: 296 ether_addr_copy(hdr.addr3, eth_hdr.h_dest); 297 break; 298 case IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS: 299 ether_addr_copy(hdr.addr3, eth_hdr.h_dest); 300 ether_addr_copy(hdr.addr4, eth_hdr.h_source); 301 break; 302 default: 303 break; 304 } 305 306 skb_pull(skb, hdr_gap + sizeof(struct ethhdr) - 2); 307 if (eth_hdr.h_proto == htons(ETH_P_AARP) || 308 eth_hdr.h_proto == htons(ETH_P_IPX)) 309 ether_addr_copy(skb_push(skb, ETH_ALEN), bridge_tunnel_header); > 310 else if (eth_hdr.h_proto >= htons(ETH_P_802_3_MIN)) 311 ether_addr_copy(skb_push(skb, ETH_ALEN), rfc1042_header); 312 else 313 skb_pull(skb, 2); 314 315 if (ieee80211_has_order(hdr.frame_control)) 316 memcpy(skb_push(skb, 2), &ht_ctrl, 2); 317 if (ieee80211_is_data_qos(hdr.frame_control)) 318 memcpy(skb_push(skb, 2), &qos_ctrl, 2); 319 if (ieee80211_has_a4(hdr.frame_control)) 320 memcpy(skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr)); 321 else 322 memcpy(skb_push(skb, sizeof(hdr) - 6), &hdr, sizeof(hdr) - 6); 323 324 status->flag &= ~(RX_FLAG_RADIOTAP_HE | RX_FLAG_RADIOTAP_HE_MU); 325 return 0; 326 } 327 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
