tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   92ed301919932f777713b9172e525674157e983d
commit: df41017eafd267c08acbfff99d34e4f96bbfbc92 ia64: remove support for 
machvecs
date:   12 months ago
config: ia64-randconfig-r003-20200728 (attached as .config)
compiler: ia64-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
        git checkout df41017eafd267c08acbfff99d34e4f96bbfbc92
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross 
ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c: In function 
'ieee80211_softmac_init':
   drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:2598:8: warning: cast 
between incompatible function types from 'void (*)(struct ieee80211_device *)' 
to 'void (*)(long unsigned int)' [-Wcast-function-type]
    2598 |        (void(*)(unsigned long)) ieee80211_sta_ps,
         |        ^
   drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c: In function 
'ieee80211_softmac_new_net':
>> drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1388:5: warning: 
>> 'strncpy' output may be truncated copying 32 bytes from a string of length 
>> 32 [-Wstringop-truncation]
    1388 |     strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1393:4: warning: 
'strncpy' output may be truncated copying 32 bytes from a string of length 32 
[-Wstringop-truncation]
    1393 |    strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
         |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In function 'ieee80211_softmac_new_net',
       inlined from 'ieee80211_softmac_check_all_nets' at 
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1455:4:
>> drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1388:5: warning: 
>> 'strncpy' output may be truncated copying 32 bytes from a string of length 
>> 32 [-Wstringop-truncation]
    1388 |     strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1393:4: warning: 
'strncpy' output may be truncated copying 32 bytes from a string of length 32 
[-Wstringop-truncation]
    1393 |    strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
         |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/strncpy +1388 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c

8fc8598e61f6f3 Jerry Chuang         2009-11-03  1341  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1342  inline void 
ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct 
ieee80211_network *net)
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1343  {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1344    u8 
tmp_ssid[IW_ESSID_MAX_SIZE + 1];
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1345    int tmp_ssid_len = 0;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1346  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1347    short apset, ssidset, 
ssidbroad, apmatch, ssidmatch;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1348  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1349    /* we are interested in 
new new only if we are not associated
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1350     * and we are not 
associating / authenticating
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1351     */
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1352    if (ieee->state != 
IEEE80211_NOLINK)
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1353            return;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1354  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1355    if ((ieee->iw_mode == 
IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1356            return;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1357  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1358    if ((ieee->iw_mode == 
IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1359            return;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1360  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1361    if (ieee->iw_mode == 
IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1362            /* if the user 
specified the AP MAC, we need also the essid
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1363             * This could 
be obtained by beacons or, if the network does not
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1364             * broadcast 
it, it can be put manually.
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1365             */
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1366            apset = 
ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 );
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1367            ssidset = 
ieee->ssid_set;//ieee->current_network.ssid[0] != '\0';
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1368            ssidbroad =  
!(net->ssid_len == 0 || net->ssid[0] == '\0');
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1369            apmatch = 
(memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN) == 0);
de6610e27dd2e4 John Whitmore        2018-07-07  1370            ssidmatch = 
(ieee->current_network.ssid_len == net->ssid_len) &&
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1371                    
(!strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1372  
591968b2f40491 John Whitmore        2018-07-10  1373            /* if the user 
set the AP check if match.
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1374             * if the 
network does not broadcast essid we check the user supplyed ANY essid
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1375             * if the 
network does broadcast and the user does not set essid it is OK
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1376             * if the 
network does broadcast and the user did set essid chech if essid match
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1377             */
591968b2f40491 John Whitmore        2018-07-10  1378            if ((apset && 
apmatch &&
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1379                 ((ssidset 
&& ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && 
ssidset))) ||
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1380                /* if the 
ap is not set, check that the user set the bssid
935d59ff255896 Masanari Iida        2012-08-10  1381                 * and the 
network does broadcast and that those two bssid matches
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1382                 */
deb379066d376d John Whitmore        2018-07-10  1383                (!apset && 
ssidset && ssidbroad && ssidmatch)) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1384                    /* if 
the essid is hidden replace it with the
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1385                     * 
essid provided by the user.
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1386                     */
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1387                    if 
(!ssidbroad) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03 @1388                            
strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1389                            
tmp_ssid_len = ieee->current_network.ssid_len;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1390                    }
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1391                    
memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1392  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1393                    
strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1394                    
ieee->current_network.ssid_len = tmp_ssid_len;
4031e6ca35993f John Whitmore        2018-07-04  1395                    
printk(KERN_INFO"Linking with %s,channel:%d, qos:%d, myHT:%d, networkHT:%d\n",
4031e6ca35993f John Whitmore        2018-07-04  1396                           
ieee->current_network.ssid,
4031e6ca35993f John Whitmore        2018-07-04  1397                           
ieee->current_network.channel,
4031e6ca35993f John Whitmore        2018-07-04  1398                           
ieee->current_network.qos_data.supported,
4031e6ca35993f John Whitmore        2018-07-04  1399                           
ieee->pHTInfo->bEnableHT,
4031e6ca35993f John Whitmore        2018-07-04  1400                           
ieee->current_network.bssht.bdSupportHT);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1401  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1402                    
//ieee->pHTInfo->IOTAction = 0;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1403                    
HTResetIOTSetting(ieee->pHTInfo);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1404                    if 
(ieee->iw_mode == IW_MODE_INFRA) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1405                            
/* Join the network for the first time */
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1406                            
ieee->AsocRetryCount = 0;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1407                            
//for HT by amy 080514
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1408                            
if ((ieee->current_network.qos_data.supported == 1) &&
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1409                            
    // (ieee->pHTInfo->bEnableHT && ieee->current_network.bssht.bdSupportHT))
eb2cbcc37763b6 John Whitmore        2018-07-10  1410                            
    ieee->current_network.bssht.bdSupportHT) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1411  /*WB, 
2008.09.09:bCurrentHTSupport and bEnableHT two flags are going to put together 
to check whether we are in HT now, so needn't to check bEnableHT flags here. 
That's is to say we will set to HT support whenever joined AP has the ability 
to support HT. And whether we are in HT or not, please check 
bCurrentHTSupport&&bEnableHT now please.*/
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1412                            
        //      ieee->pHTInfo->bCurrentHTSupport = true;
e4c8f0638ae9ea John Whitmore        2018-07-10  1413                            
        HTResetSelfAndSavePeerSetting(ieee, &ieee->current_network);
eb2cbcc37763b6 John Whitmore        2018-07-10  1414                            
} else {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1415                            
        ieee->pHTInfo->bCurrentHTSupport = false;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1416                            
}
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1417  
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1418                            
ieee->state = IEEE80211_ASSOCIATING;
1761a85c3bed33 Bhaktipriya Shridhar 2016-02-20  1419                            
schedule_work(&ieee->associate_procedure_wq);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1420                    } else {
58af58007e7bf6 Jesper Juhl          2011-08-13  1421                            
if (ieee80211_is_54g(&ieee->current_network) &&
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1422                            
    (ieee->modulation & IEEE80211_OFDM_MODULATION)) {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1423                            
        ieee->rate = 108;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1424                            
        ieee->SetWirelessMode(ieee->dev, IEEE_G);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1425                            
        printk(KERN_INFO"Using G rates\n");
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1426                            
} else {
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1427                            
        ieee->rate = 22;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1428                            
        ieee->SetWirelessMode(ieee->dev, IEEE_B);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1429                            
        printk(KERN_INFO"Using B rates\n");
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1430                            
}
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1431                            
memset(ieee->dot11HTOperationalRateSet, 0, 16);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1432                            
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1433                            
ieee->state = IEEE80211_LINKED;
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1434                    }
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1435            }
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1436    }
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1437  }
8fc8598e61f6f3 Jerry Chuang         2009-11-03  1438  

:::::: The code at line 1388 was first introduced by commit
:::::: 8fc8598e61f6f384f3eaf1d9b09500c12af47b37 Staging: Added Realtek rtl8192u 
driver to staging

:::::: TO: Jerry Chuang <jerry-chu...@realtek.com>
:::::: CC: Greg Kroah-Hartman <gre...@suse.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

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