tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing head: 5315266844ea3b0b8b6be9842d5901e439fa838a commit: 5f1a6826ea4900f8540d5eeb29f97796860f2d08 [36/53] staging: rtl8192e: remove set but otherwise unused local variable iv32 config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240823/202408232049.UJef268y-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240823/202408232049.UJef268y-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/202408232049.UJef268y-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/staging/rtl8192e/rtllib_crypt_tkip.c:640:7: warning: variable 'iv16' set but not used [-Wunused-but-set-variable] 640 | u16 iv16 = tkey->tx_iv16; | ^ 1 warning generated. vim +/iv16 +640 drivers/staging/rtl8192e/rtllib_crypt_tkip.c ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 626 94a799425eee82 drivers/staging/rtl8192e/rtllib_crypt_tkip.c Larry Finger 2011-08-23 627 static int rtllib_tkip_get_key(void *key, int len, u8 *seq, void *priv) ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 628 { 94a799425eee82 drivers/staging/rtl8192e/rtllib_crypt_tkip.c Larry Finger 2011-08-23 629 struct rtllib_tkip_data *tkey = priv; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 630 ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 631 if (len < TKIP_KEY_LEN) ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 632 return -1; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 633 ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 634 if (!tkey->key_set) ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 635 return 0; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 636 memcpy(key, tkey->key, TKIP_KEY_LEN); ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 637 ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 638 if (seq) { ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 639 /* Return the sequence number of the last transmitted frame. */ ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 @640 u16 iv16 = tkey->tx_iv16; 3a6b70c3f3558a drivers/staging/rtl8192e/rtllib_crypt_tkip.c Matthew Casey 2014-08-22 641 ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 642 iv16--; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 643 seq[0] = tkey->tx_iv16; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 644 seq[1] = tkey->tx_iv16 >> 8; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 645 seq[2] = tkey->tx_iv32; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 646 seq[3] = tkey->tx_iv32 >> 8; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 647 seq[4] = tkey->tx_iv32 >> 16; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 648 seq[5] = tkey->tx_iv32 >> 24; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 649 } ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 650 ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 651 return TKIP_KEY_LEN; ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 652 } ecdfa44610fa18 drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c Greg Kroah-Hartman 2009-08-04 653 :::::: The code at line 640 was first introduced by commit :::::: ecdfa44610fa18678c3dd481af75368b9800c6c7 Staging: add Realtek 8192 PCI wireless driver :::::: TO: Greg Kroah-Hartman <gregkh@xxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
