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

From: kernel test robot
Date: Mon Sep 13 2021 - 22:04:56 EST


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@xxxxxxxxx>

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@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip