tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing head: 5b4f167ef3555ec4c334a8dc89c1b44bb2c6bff5 commit: f4a0ab46339c8cab92c38c652e387c0afa1cd435 [381/409] staging: rtl8188eu: remove all DBG_88E calls from os_dep/ioctl_linux.c config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/commit/?id=f4a0ab46339c8cab92c38c652e387c0afa1cd435 git remote add staging https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git git fetch --no-tags staging staging-testing git checkout f4a0ab46339c8cab92c38c652e387c0afa1cd435 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/staging/rtl8188eu/os_dep/ioctl_linux.c: In function 'rtw_wx_set_mlme': >> drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:981:6: warning: variable 'reason' set but not used [-Wunused-but-set-variable] 981 | u16 reason; | ^~~~~~ vim +/reason +981 drivers/staging/rtl8188eu/os_dep/ioctl_linux.c a2c60d42d97cdb Larry Finger 2013-08-21 975 a2c60d42d97cdb Larry Finger 2013-08-21 976 static int rtw_wx_set_mlme(struct net_device *dev, a2c60d42d97cdb Larry Finger 2013-08-21 977 struct iw_request_info *info, a2c60d42d97cdb Larry Finger 2013-08-21 978 union iwreq_data *wrqu, char *extra) a2c60d42d97cdb Larry Finger 2013-08-21 979 { a2c60d42d97cdb Larry Finger 2013-08-21 980 int ret = 0; a2c60d42d97cdb Larry Finger 2013-08-21 @981 u16 reason; 1665c8fdffbb8a Martin Kaiser 2021-03-21 982 struct adapter *padapter = netdev_priv(dev); a2c60d42d97cdb Larry Finger 2013-08-21 983 struct iw_mlme *mlme = (struct iw_mlme *)extra; a2c60d42d97cdb Larry Finger 2013-08-21 984 4fe514dc2049b0 Amit Ghadge 2016-09-04 985 if (!mlme) a2c60d42d97cdb Larry Finger 2013-08-21 986 return -1; a2c60d42d97cdb Larry Finger 2013-08-21 987 a2c60d42d97cdb Larry Finger 2013-08-21 988 reason = mlme->reason_code; a2c60d42d97cdb Larry Finger 2013-08-21 989 a2c60d42d97cdb Larry Finger 2013-08-21 990 switch (mlme->cmd) { a2c60d42d97cdb Larry Finger 2013-08-21 991 case IW_MLME_DEAUTH: a2c60d42d97cdb Larry Finger 2013-08-21 992 if (!rtw_set_802_11_disassociate(padapter)) a2c60d42d97cdb Larry Finger 2013-08-21 993 ret = -1; a2c60d42d97cdb Larry Finger 2013-08-21 994 break; a2c60d42d97cdb Larry Finger 2013-08-21 995 case IW_MLME_DISASSOC: a2c60d42d97cdb Larry Finger 2013-08-21 996 if (!rtw_set_802_11_disassociate(padapter)) a2c60d42d97cdb Larry Finger 2013-08-21 997 ret = -1; a2c60d42d97cdb Larry Finger 2013-08-21 998 break; a2c60d42d97cdb Larry Finger 2013-08-21 999 default: a2c60d42d97cdb Larry Finger 2013-08-21 1000 return -EOPNOTSUPP; a2c60d42d97cdb Larry Finger 2013-08-21 1001 } a2c60d42d97cdb Larry Finger 2013-08-21 1002 return ret; a2c60d42d97cdb Larry Finger 2013-08-21 1003 } a2c60d42d97cdb Larry Finger 2013-08-21 1004 :::::: The code at line 981 was first introduced by commit :::::: a2c60d42d97cdbeee3c7371cd3502fca77f07d39 staging: r8188eu: Add files for new driver - part 16 :::::: TO: Larry Finger <Larry.Finger@xxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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