Re: [PATCH v2] Staging:wlan-ng:cfg80211: A better fix for: Lines should end with a '('

[kernel test robot <lkp@intel.com>]

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Hi Tawah,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Tawah-Peggy/Staging-wlan-ng-cfg80211-A-better-fix-for-Lines-should-end-with-a/20210914-020515
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 8757f705d936ad9579110aa621995172539aa16b
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-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/d94af532d09e347e4e331da138f658a49199354f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tawah-Peggy/Staging-wlan-ng-cfg80211-A-better-fix-for-Lines-should-end-with-a/20210914-020515
        git checkout d94af532d09e347e4e331da138f658a49199354f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   In file included from drivers/staging/wlan-ng/p80211netdev.c:92:
   drivers/staging/wlan-ng/cfg80211.c: In function 'prism2_scan':
>> drivers/staging/wlan-ng/cfg80211.c:331:25: error: implicit declaration of function 'ieee80211_freq_to_channel'; did you mean 'ieee80211_freq_khz_to_channel'? [-Werror=implicit-function-declaration]
     331 |                         ieee80211_freq_to_channel(request->channels[i]->center_freq);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                         ieee80211_freq_khz_to_channel
   cc1: all warnings being treated as errors


vim +331 drivers/staging/wlan-ng/cfg80211.c

   271	
   272	static int prism2_scan(struct wiphy *wiphy,
   273			       struct cfg80211_scan_request *request)
   274	{
   275		struct net_device *dev;
   276		struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
   277		struct wlandevice *wlandev;
   278		struct p80211msg_dot11req_scan msg1;
   279		struct p80211msg_dot11req_scan_results *msg2;
   280		struct cfg80211_bss *bss;
   281		struct cfg80211_scan_info info = {};
   282	
   283		int result;
   284		int err = 0;
   285		int numbss = 0;
   286		int i = 0;
   287		u8 ie_buf[46];
   288		int ie_len;
   289	
   290		if (!request)
   291			return -EINVAL;
   292	
   293		dev = request->wdev->netdev;
   294		wlandev = dev->ml_priv;
   295	
   296		if (priv->scan_request && priv->scan_request != request)
   297			return -EBUSY;
   298	
   299		if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
   300			netdev_err(dev, "Can't scan in AP mode\n");
   301			return -EOPNOTSUPP;
   302		}
   303	
   304		msg2 = kzalloc(sizeof(*msg2), GFP_KERNEL);
   305		if (!msg2)
   306			return -ENOMEM;
   307	
   308		priv->scan_request = request;
   309	
   310		memset(&msg1, 0x00, sizeof(msg1));
   311		msg1.msgcode = DIDMSG_DOT11REQ_SCAN;
   312		msg1.bsstype.data = P80211ENUM_bsstype_any;
   313	
   314		memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data));
   315		msg1.bssid.data.len = 6;
   316	
   317		if (request->n_ssids > 0) {
   318			msg1.scantype.data = P80211ENUM_scantype_active;
   319			msg1.ssid.data.len = request->ssids->ssid_len;
   320			memcpy(msg1.ssid.data.data,
   321			       request->ssids->ssid, request->ssids->ssid_len);
   322		} else {
   323			msg1.scantype.data = 0;
   324		}
   325		msg1.probedelay.data = 0;
   326	
   327		for (i = 0;
   328			(i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
   329			i++)
   330			msg1.channellist.data.data[i] =
 > 331				ieee80211_freq_to_channel(request->channels[i]->center_freq);
   332		msg1.channellist.data.len = request->n_channels;
   333	
   334		msg1.maxchanneltime.data = 250;
   335		msg1.minchanneltime.data = 200;
   336	
   337		result = p80211req_dorequest(wlandev, (u8 *)&msg1);
   338		if (result) {
   339			err = prism2_result2err(msg1.resultcode.data);
   340			goto exit;
   341		}
   342		/* Now retrieve scan results */
   343		numbss = msg1.numbss.data;
   344	
   345		for (i = 0; i < numbss; i++) {
   346			int freq;
   347	
   348			msg2->msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS;
   349			msg2->bssindex.data = i;
   350	
   351			result = p80211req_dorequest(wlandev, (u8 *)&msg2);
   352			if ((result != 0) ||
   353			    (msg2->resultcode.data != P80211ENUM_resultcode_success)) {
   354				break;
   355			}
   356	
   357			ie_buf[0] = WLAN_EID_SSID;
   358			ie_buf[1] = msg2->ssid.data.len;
   359			ie_len = ie_buf[1] + 2;
   360			memcpy(&ie_buf[2], &msg2->ssid.data.data, msg2->ssid.data.len);
   361			freq = ieee80211_channel_to_frequency(msg2->dschannel.data,
   362							      NL80211_BAND_2GHZ);
   363			bss = cfg80211_inform_bss(wiphy,
   364						  ieee80211_get_channel(wiphy, freq),
   365						  CFG80211_BSS_FTYPE_UNKNOWN,
   366						  (const u8 *)&msg2->bssid.data.data,
   367						  msg2->timestamp.data, msg2->capinfo.data,
   368						  msg2->beaconperiod.data,
   369						  ie_buf,
   370						  ie_len,
   371						  (msg2->signal.data - 65536) * 100, /* Conversion to signed type */
   372						  GFP_KERNEL);
   373	
   374			if (!bss) {
   375				err = -ENOMEM;
   376				goto exit;
   377			}
   378	
   379			cfg80211_put_bss(wiphy, bss);
   380		}
   381	
   382		if (result)
   383			err = prism2_result2err(msg2->resultcode.data);
   384	
   385	exit:
   386		info.aborted = !!(err);
   387		cfg80211_scan_done(request, &info);
   388		priv->scan_request = NULL;
   389		kfree(msg2);
   390		return err;
   391	}
   392	

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

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