[openeuler:openEuler-1.0-LTS 2828/23701] drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c:297:17: sparse: sparse: dubious: x & !y
tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 13b424f97ef548612c760cfd0892f96de96707e0 commit: 9baadf685a5618364776aed92067526bb40c137d [2828/23701] build_bug.h: remove most of dummy BUILD_BUG_ON stubs for Sparse config: x86_64-randconfig-121-20240906 (https://download.01.org/0day-ci/archive/20240907/202409070807.ESq0nR8U-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409070807.ESq0nR8U-lkp@i...)
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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202409070807.ESq0nR8U-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c:297:17: sparse: sparse: dubious: x & !y
drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c:481:16: sparse: sparse: dubious: x & !y -- drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:166:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned short @@ got restricted __le16 [usertype] @@ drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:166:16: sparse: expected unsigned short drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:166:16: sparse: got restricted __le16 [usertype] drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:175:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] tx_rate @@ got unsigned short @@ drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:175:23: sparse: expected restricted __le16 [usertype] tx_rate drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:175:23: sparse: got unsigned short
drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:409:16: sparse: sparse: dubious: x & !y
vim +297 drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c
b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 280 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 281 int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx, b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 282 struct ieee80211_key_conf *key) b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 283 { b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 284 enum mt76x2_cipher_type cipher; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 285 u8 key_data[32]; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 286 u8 iv_data[8]; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 287 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 288 cipher = mt76x2_mac_get_key_info(key, key_data); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 289 if (cipher == MT_CIPHER_NONE && key) b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 290 return -EOPNOTSUPP; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 291 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 292 mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 293 mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data)); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 294 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 295 memset(iv_data, 0, sizeof(iv_data)); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 296 if (key) { b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 @297 mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE, b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 298 !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 299 iv_data[3] = key->keyidx << 6; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 300 if (cipher >= MT_CIPHER_TKIP) b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 301 iv_data[3] |= 0x20; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 302 } b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 303 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 304 mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data)); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 305 b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 306 return 0; b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 307 } b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 308 EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_key); b9c45e1c42b7d7 Lorenzo Bianconi 2018-07-31 309
:::::: The code at line 297 was first introduced by commit :::::: b9c45e1c42b7d709ade99b6ae243065a832e87aa mt76: add mt76x2_mac_common to mt76x2-common module
:::::: TO: Lorenzo Bianconi lorenzo.bianconi@redhat.com :::::: CC: Kalle Valo kvalo@codeaurora.org
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kernel test robot