Re: [PATCH 12/23] staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ieee80211.c

From: kernel test robot
Date: Fri Jun 25 2021 - 01:19:39 EST


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 <lkp@xxxxxxxxx>

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@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip