Hi Jouni, I love your patch! Perhaps something to improve: [auto build test WARNING on mac80211-next/master] [also build test WARNING on v4.20-rc7 next-20181218] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jouni-Malinen/cfg80211-Parsing-of-Multiple-BSSID-information-in-scanning/20181208-040803 base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y include/linux/slab.h:332:43: warning: dubious: x & !y >> net/wireless/scan.c:319:1: warning: context imbalance in 'cfg80211_add_nontrans_list' - different lock contexts for basic block >> net/wireless/scan.c:1543:1: warning: context imbalance in 'cfg80211_update_notlisted_nontrans' - different lock contexts for basic block vim +/cfg80211_add_nontrans_list +319 net/wireless/scan.c bad457b4 Peng Xu 2018-12-07 317 bad457b4 Peng Xu 2018-12-07 318 static int 6ff7973a Sara Sharon 2018-12-07 @319 cfg80211_add_nontrans_list(struct cfg80211_bss *trans_bss, 6ff7973a Sara Sharon 2018-12-07 320 struct cfg80211_bss *nontrans_bss) bad457b4 Peng Xu 2018-12-07 321 { bad457b4 Peng Xu 2018-12-07 322 const u8 *ssid; bad457b4 Peng Xu 2018-12-07 323 size_t ssid_len; 6ff7973a Sara Sharon 2018-12-07 324 struct cfg80211_bss *bss = NULL; bad457b4 Peng Xu 2018-12-07 325 bad457b4 Peng Xu 2018-12-07 326 rcu_read_lock(); 6ff7973a Sara Sharon 2018-12-07 327 ssid = ieee80211_bss_get_ie(nontrans_bss, WLAN_EID_SSID); bad457b4 Peng Xu 2018-12-07 328 if (!ssid) bad457b4 Peng Xu 2018-12-07 329 return -EINVAL; bad457b4 Peng Xu 2018-12-07 330 ssid_len = ssid[1]; bad457b4 Peng Xu 2018-12-07 331 ssid = ssid + 2; bad457b4 Peng Xu 2018-12-07 332 rcu_read_unlock(); bad457b4 Peng Xu 2018-12-07 333 bad457b4 Peng Xu 2018-12-07 334 /* check if nontrans_bss is in the list */ bad457b4 Peng Xu 2018-12-07 335 list_for_each_entry(bss, &trans_bss->nontrans_list, nontrans_list) { 6ff7973a Sara Sharon 2018-12-07 336 if (is_bss(bss, nontrans_bss->bssid, ssid, ssid_len)) bad457b4 Peng Xu 2018-12-07 337 return 0; bad457b4 Peng Xu 2018-12-07 338 } bad457b4 Peng Xu 2018-12-07 339 bad457b4 Peng Xu 2018-12-07 340 /* add to the list */ bad457b4 Peng Xu 2018-12-07 341 list_add_tail(&nontrans_bss->nontrans_list, &trans_bss->nontrans_list); bad457b4 Peng Xu 2018-12-07 342 return 0; bad457b4 Peng Xu 2018-12-07 343 } bad457b4 Peng Xu 2018-12-07 344 :::::: The code at line 319 was first introduced by commit :::::: 6ff7973a64687877f58afbbf55036c096b75c6ea cfg80211: Move Multiple BSS info to struct cfg80211_bss to be visible :::::: TO: Sara Sharon <sara.sharon@xxxxxxxxx> :::::: CC: 0day robot <lkp@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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