Hi Phillip, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Phillip-Potter/staging-rtl8188eu-remove-include-rtw_debug-h/20210625-081023 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git fcc84fe12fd8271ea0d94cbac4ae02f9162f56fd config: sh-allmodconfig (attached as .config) compiler: sh4-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://github.com/0day-ci/linux/commit/3cd6b5774f6ae082885e4c6c1dce8aeab74df4d6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Phillip-Potter/staging-rtl8188eu-remove-include-rtw_debug-h/20210625-081023 git checkout 3cd6b5774f6ae082885e4c6c1dce8aeab74df4d6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/staging/rtl8188eu/core/rtw_ieee80211.c: In function 'rtw_get_sec_ie': >> drivers/staging/rtl8188eu/core/rtw_ieee80211.c:468:15: warning: variable 'sec_idx' set but not used [-Wunused-but-set-variable] 468 | u8 authmode, sec_idx; | ^~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA Selected by - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC vim +/sec_idx +468 drivers/staging/rtl8188eu/core/rtw_ieee80211.c 465 466 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len) 467 { > 468 u8 authmode, sec_idx; 469 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01}; 470 uint cnt; 471 472 /* Search required WPA or WPA2 IE and copy to sec_ie[] */ 473 474 cnt = _TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_; 475 476 sec_idx = 0; 477 478 while (cnt < in_len) { 479 authmode = in_ie[cnt]; 480 481 if ((authmode == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) { 482 if (wpa_ie) 483 memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt + 1] + 2); 484 485 *wpa_len = in_ie[cnt + 1] + 2; 486 cnt += in_ie[cnt + 1] + 2; /* get next */ 487 } else { 488 if (authmode == WLAN_EID_RSN) { 489 if (rsn_ie) 490 memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt + 1] + 2); 491 492 *rsn_len = in_ie[cnt + 1] + 2; 493 cnt += in_ie[cnt + 1] + 2; /* get next */ 494 } else { 495 cnt += in_ie[cnt + 1] + 2; /* get next */ 496 } 497 } 498 } 499 } 500 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org