Hi Phillip, I love your patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] [also build test WARNING on v5.17-rc1 next-20220124] [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] url: https://github.com/0day-ci/linux/commits/Phillip-Potter/Cleanup-and-remov... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git fa783154524a71ab74e293cd8251155e5971952b config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220125/202201251730.AgK9qxSH-lk...) compiler: arceb-elf-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/1724ade2c1f2fa95e0e314ed9229700d6... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Phillip-Potter/Cleanup-and-removal-of-DBG_88E-macro/20220125-125206 git checkout 1724ade2c1f2fa95e0e314ed9229700d6158fbbc # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/staging/r8188eu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/staging/r8188eu/os_dep/ioctl_linux.c: In function 'rtw_wx_set_mlme': 1022 | u16 reason; | ^~~~~~ vim +/reason +1022 drivers/staging/r8188eu/os_dep/ioctl_linux.c 2b42bd58b32155 Phillip Potter 2021-07-28 1016 2b42bd58b32155 Phillip Potter 2021-07-28 1017 static int rtw_wx_set_mlme(struct net_device *dev, 2b42bd58b32155 Phillip Potter 2021-07-28 1018 struct iw_request_info *info, 2b42bd58b32155 Phillip Potter 2021-07-28 1019 union iwreq_data *wrqu, char *extra) 2b42bd58b32155 Phillip Potter 2021-07-28 1020 { 2b42bd58b32155 Phillip Potter 2021-07-28 1021 int ret = 0; 2b42bd58b32155 Phillip Potter 2021-07-28 @1022 u16 reason; 2b42bd58b32155 Phillip Potter 2021-07-28 1023 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); 2b42bd58b32155 Phillip Potter 2021-07-28 1024 struct iw_mlme *mlme = (struct iw_mlme *)extra; 2b42bd58b32155 Phillip Potter 2021-07-28 1025 d8062f6adca1ef Michael Straube 2021-07-30 1026 if (!mlme) 2b42bd58b32155 Phillip Potter 2021-07-28 1027 return -1; 2b42bd58b32155 Phillip Potter 2021-07-28 1028 2b42bd58b32155 Phillip Potter 2021-07-28 1029 reason = mlme->reason_code; 2b42bd58b32155 Phillip Potter 2021-07-28 1030 2b42bd58b32155 Phillip Potter 2021-07-28 1031 switch (mlme->cmd) { 2b42bd58b32155 Phillip Potter 2021-07-28 1032 case IW_MLME_DEAUTH: 2b42bd58b32155 Phillip Potter 2021-07-28 1033 if (!rtw_set_802_11_disassociate(padapter)) 2b42bd58b32155 Phillip Potter 2021-07-28 1034 ret = -1; 2b42bd58b32155 Phillip Potter 2021-07-28 1035 break; 2b42bd58b32155 Phillip Potter 2021-07-28 1036 case IW_MLME_DISASSOC: 2b42bd58b32155 Phillip Potter 2021-07-28 1037 if (!rtw_set_802_11_disassociate(padapter)) 2b42bd58b32155 Phillip Potter 2021-07-28 1038 ret = -1; 2b42bd58b32155 Phillip Potter 2021-07-28 1039 break; 2b42bd58b32155 Phillip Potter 2021-07-28 1040 default: 2b42bd58b32155 Phillip Potter 2021-07-28 1041 return -EOPNOTSUPP; 2b42bd58b32155 Phillip Potter 2021-07-28 1042 } 2b42bd58b32155 Phillip Potter 2021-07-28 1043 return ret; 2b42bd58b32155 Phillip Potter 2021-07-28 1044 } 2b42bd58b32155 Phillip Potter 2021-07-28 1045 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org