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Message-ID: <202201070423.WeoyORXE-lkp@intel.com>
Date: Fri, 7 Jan 2022 05:00:58 +0800
From: kernel test robot <lkp@...el.com>
To: "F.A.Sulaiman" <asha.16@...ac.mrt.ac.lk>,
gregkh@...uxfoundation.org, fabioaiuto83@...il.com,
marcocesati@...il.com, dan.carpenter@...cle.com,
hdegoede@...hat.com
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
"F.A.Sulaiman" <asha.16@...ac.mrt.ac.lk>,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] rtl8723bs: fix memory leak error
Hi "F.A.Sulaiman",
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v5.16-rc8 next-20220106]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/F-A-Sulaiman/rtl8723bs-fix-memory-leak-error/20220105-203752
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 0640d18b15d86ab76275e63f36f5841db5f52e74
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20220107/202201070423.WeoyORXE-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
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/1a1faafe5fcac0069aad1036ce1757e87ba847d3
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review F-A-Sulaiman/rtl8723bs-fix-memory-leak-error/20220105-203752
git checkout 1a1faafe5fcac0069aad1036ce1757e87ba847d3
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/mmc/host/ drivers/staging/rtl8723bs/ fs/xfs/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c:421:1: warning: unused label 'release_fw1' [-Wunused-label]
release_fw1:
^~~~~~~~~~~~
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c:957:5: warning: variable 'hoffset' set but not used [-Wunused-but-set-variable]
u8 hoffset = 0, hworden = 0;
^
drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c:1050:5: warning: variable 'hoffset' set but not used [-Wunused-but-set-variable]
u8 hoffset = 0, hworden = 0;
^
3 warnings generated.
vim +/release_fw1 +421 drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
554c0a3abf216c Hans de Goede 2017-03-29 286
554c0a3abf216c Hans de Goede 2017-03-29 287 /* */
554c0a3abf216c Hans de Goede 2017-03-29 288 /* Description: */
554c0a3abf216c Hans de Goede 2017-03-29 289 /* Download 8192C firmware code. */
554c0a3abf216c Hans de Goede 2017-03-29 290 /* */
554c0a3abf216c Hans de Goede 2017-03-29 291 /* */
554c0a3abf216c Hans de Goede 2017-03-29 292 s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool bUsedWoWLANFw)
554c0a3abf216c Hans de Goede 2017-03-29 293 {
554c0a3abf216c Hans de Goede 2017-03-29 294 s32 rtStatus = _SUCCESS;
554c0a3abf216c Hans de Goede 2017-03-29 295 u8 write_fw = 0;
554c0a3abf216c Hans de Goede 2017-03-29 296 unsigned long fwdl_start_time;
554c0a3abf216c Hans de Goede 2017-03-29 297 struct hal_com_data *pHalData = GET_HAL_DATA(padapter);
554c0a3abf216c Hans de Goede 2017-03-29 298 struct rt_firmware *pFirmware;
554c0a3abf216c Hans de Goede 2017-03-29 299 struct rt_firmware *pBTFirmware;
554c0a3abf216c Hans de Goede 2017-03-29 300 struct rt_firmware_hdr *pFwHdr = NULL;
554c0a3abf216c Hans de Goede 2017-03-29 301 u8 *pFirmwareBuf;
554c0a3abf216c Hans de Goede 2017-03-29 302 u32 FirmwareLen;
554c0a3abf216c Hans de Goede 2017-03-29 303 const struct firmware *fw;
554c0a3abf216c Hans de Goede 2017-03-29 304 struct device *device = dvobj_to_dev(padapter->dvobj);
554c0a3abf216c Hans de Goede 2017-03-29 305 u8 *fwfilepath;
554c0a3abf216c Hans de Goede 2017-03-29 306 struct dvobj_priv *psdpriv = padapter->dvobj;
554c0a3abf216c Hans de Goede 2017-03-29 307 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
554c0a3abf216c Hans de Goede 2017-03-29 308 u8 tmp_ps;
554c0a3abf216c Hans de Goede 2017-03-29 309
554c0a3abf216c Hans de Goede 2017-03-29 310 pFirmware = kzalloc(sizeof(struct rt_firmware), GFP_KERNEL);
7e2b0aaec63351 Larry Finger 2017-04-08 311 if (!pFirmware)
7e2b0aaec63351 Larry Finger 2017-04-08 312 return _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 313 pBTFirmware = kzalloc(sizeof(struct rt_firmware), GFP_KERNEL);
7e2b0aaec63351 Larry Finger 2017-04-08 314 if (!pBTFirmware) {
7e2b0aaec63351 Larry Finger 2017-04-08 315 kfree(pFirmware);
7e2b0aaec63351 Larry Finger 2017-04-08 316 return _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 317 }
554c0a3abf216c Hans de Goede 2017-03-29 318 tmp_ps = rtw_read8(padapter, 0xa3);
554c0a3abf216c Hans de Goede 2017-03-29 319 tmp_ps &= 0xf8;
554c0a3abf216c Hans de Goede 2017-03-29 320 tmp_ps |= 0x02;
554c0a3abf216c Hans de Goede 2017-03-29 321 /* 1. write 0xA3[:2:0] = 3b'010 */
554c0a3abf216c Hans de Goede 2017-03-29 322 rtw_write8(padapter, 0xa3, tmp_ps);
554c0a3abf216c Hans de Goede 2017-03-29 323 /* 2. read power_state = 0xA0[1:0] */
554c0a3abf216c Hans de Goede 2017-03-29 324 tmp_ps = rtw_read8(padapter, 0xa0);
554c0a3abf216c Hans de Goede 2017-03-29 325 tmp_ps &= 0x03;
709c8e49b51c37 Fabio Aiuto 2021-04-07 326 if (tmp_ps != 0x01)
554c0a3abf216c Hans de Goede 2017-03-29 327 pdbgpriv->dbg_downloadfw_pwr_state_cnt++;
554c0a3abf216c Hans de Goede 2017-03-29 328
554c0a3abf216c Hans de Goede 2017-03-29 329 fwfilepath = "rtlwifi/rtl8723bs_nic.bin";
554c0a3abf216c Hans de Goede 2017-03-29 330
b388285205609c Colin Ian King 2017-04-11 331 pr_info("rtl8723bs: acquire FW from file:%s\n", fwfilepath);
554c0a3abf216c Hans de Goede 2017-03-29 332
554c0a3abf216c Hans de Goede 2017-03-29 333 rtStatus = request_firmware(&fw, fwfilepath, device);
554c0a3abf216c Hans de Goede 2017-03-29 334 if (rtStatus) {
554c0a3abf216c Hans de Goede 2017-03-29 335 pr_err("Request firmware failed with error 0x%x\n", rtStatus);
554c0a3abf216c Hans de Goede 2017-03-29 336 rtStatus = _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 337 goto exit;
554c0a3abf216c Hans de Goede 2017-03-29 338 }
554c0a3abf216c Hans de Goede 2017-03-29 339
554c0a3abf216c Hans de Goede 2017-03-29 340 if (!fw) {
554c0a3abf216c Hans de Goede 2017-03-29 341 pr_err("Firmware %s not available\n", fwfilepath);
554c0a3abf216c Hans de Goede 2017-03-29 342 rtStatus = _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 343 goto exit;
554c0a3abf216c Hans de Goede 2017-03-29 344 }
554c0a3abf216c Hans de Goede 2017-03-29 345
554c0a3abf216c Hans de Goede 2017-03-29 346 if (fw->size > FW_8723B_SIZE) {
554c0a3abf216c Hans de Goede 2017-03-29 347 rtStatus = _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 348 goto exit;
554c0a3abf216c Hans de Goede 2017-03-29 349 }
554c0a3abf216c Hans de Goede 2017-03-29 350
93998817a169c0 Quytelda Kahja 2018-05-22 351 pFirmware->fw_buffer_sz = kmemdup(fw->data, fw->size, GFP_KERNEL);
93998817a169c0 Quytelda Kahja 2018-05-22 352 if (!pFirmware->fw_buffer_sz) {
554c0a3abf216c Hans de Goede 2017-03-29 353 rtStatus = _FAIL;
554c0a3abf216c Hans de Goede 2017-03-29 354 goto exit;
554c0a3abf216c Hans de Goede 2017-03-29 355 }
554c0a3abf216c Hans de Goede 2017-03-29 356
93998817a169c0 Quytelda Kahja 2018-05-22 357 pFirmware->fw_length = fw->size;
554c0a3abf216c Hans de Goede 2017-03-29 358 release_firmware(fw);
93998817a169c0 Quytelda Kahja 2018-05-22 359 if (pFirmware->fw_length > FW_8723B_SIZE) {
554c0a3abf216c Hans de Goede 2017-03-29 360 rtStatus = _FAIL;
79df841b435018 Fabio Aiuto 2021-04-15 361 netdev_emerg(padapter->pnetdev,
79df841b435018 Fabio Aiuto 2021-04-15 362 "Firmware size:%u exceed %u\n",
79df841b435018 Fabio Aiuto 2021-04-15 363 pFirmware->fw_length, FW_8723B_SIZE);
1a1faafe5fcac0 F.A.Sulaiman 2022-01-05 364 goto exit;
554c0a3abf216c Hans de Goede 2017-03-29 365 }
554c0a3abf216c Hans de Goede 2017-03-29 366
93998817a169c0 Quytelda Kahja 2018-05-22 367 pFirmwareBuf = pFirmware->fw_buffer_sz;
93998817a169c0 Quytelda Kahja 2018-05-22 368 FirmwareLen = pFirmware->fw_length;
554c0a3abf216c Hans de Goede 2017-03-29 369
554c0a3abf216c Hans de Goede 2017-03-29 370 /* To Check Fw header. Added by tynli. 2009.12.04. */
554c0a3abf216c Hans de Goede 2017-03-29 371 pFwHdr = (struct rt_firmware_hdr *)pFirmwareBuf;
554c0a3abf216c Hans de Goede 2017-03-29 372
699ad73456d6c9 Quytelda Kahja 2018-05-22 373 pHalData->FirmwareVersion = le16_to_cpu(pFwHdr->version);
699ad73456d6c9 Quytelda Kahja 2018-05-22 374 pHalData->FirmwareSubVersion = le16_to_cpu(pFwHdr->subversion);
699ad73456d6c9 Quytelda Kahja 2018-05-22 375 pHalData->FirmwareSignature = le16_to_cpu(pFwHdr->signature);
554c0a3abf216c Hans de Goede 2017-03-29 376
554c0a3abf216c Hans de Goede 2017-03-29 377 if (IS_FW_HEADER_EXIST_8723B(pFwHdr)) {
554c0a3abf216c Hans de Goede 2017-03-29 378 /* Shift 32 bytes for FW header */
554c0a3abf216c Hans de Goede 2017-03-29 379 pFirmwareBuf = pFirmwareBuf + 32;
554c0a3abf216c Hans de Goede 2017-03-29 380 FirmwareLen = FirmwareLen - 32;
554c0a3abf216c Hans de Goede 2017-03-29 381 }
554c0a3abf216c Hans de Goede 2017-03-29 382
554c0a3abf216c Hans de Goede 2017-03-29 383 /* Suggested by Filen. If 8051 is running in RAM code, driver should inform Fw to reset by itself, */
554c0a3abf216c Hans de Goede 2017-03-29 384 /* or it will cause download Fw fail. 2010.02.01. by tynli. */
554c0a3abf216c Hans de Goede 2017-03-29 385 if (rtw_read8(padapter, REG_MCUFWDL) & RAM_DL_SEL) { /* 8051 RAM code */
554c0a3abf216c Hans de Goede 2017-03-29 386 rtw_write8(padapter, REG_MCUFWDL, 0x00);
554c0a3abf216c Hans de Goede 2017-03-29 387 rtl8723b_FirmwareSelfReset(padapter);
554c0a3abf216c Hans de Goede 2017-03-29 388 }
554c0a3abf216c Hans de Goede 2017-03-29 389
554c0a3abf216c Hans de Goede 2017-03-29 390 _FWDownloadEnable(padapter, true);
554c0a3abf216c Hans de Goede 2017-03-29 391 fwdl_start_time = jiffies;
554c0a3abf216c Hans de Goede 2017-03-29 392 while (
554c0a3abf216c Hans de Goede 2017-03-29 393 !padapter->bDriverStopped &&
554c0a3abf216c Hans de Goede 2017-03-29 394 !padapter->bSurpriseRemoved &&
554c0a3abf216c Hans de Goede 2017-03-29 395 (write_fw++ < 3 || jiffies_to_msecs(jiffies - fwdl_start_time) < 500)
554c0a3abf216c Hans de Goede 2017-03-29 396 ) {
554c0a3abf216c Hans de Goede 2017-03-29 397 /* reset FWDL chksum */
554c0a3abf216c Hans de Goede 2017-03-29 398 rtw_write8(padapter, REG_MCUFWDL, rtw_read8(padapter, REG_MCUFWDL)|FWDL_ChkSum_rpt);
554c0a3abf216c Hans de Goede 2017-03-29 399
554c0a3abf216c Hans de Goede 2017-03-29 400 rtStatus = _WriteFW(padapter, pFirmwareBuf, FirmwareLen);
554c0a3abf216c Hans de Goede 2017-03-29 401 if (rtStatus != _SUCCESS)
554c0a3abf216c Hans de Goede 2017-03-29 402 continue;
554c0a3abf216c Hans de Goede 2017-03-29 403
554c0a3abf216c Hans de Goede 2017-03-29 404 rtStatus = polling_fwdl_chksum(padapter, 5, 50);
554c0a3abf216c Hans de Goede 2017-03-29 405 if (rtStatus == _SUCCESS)
554c0a3abf216c Hans de Goede 2017-03-29 406 break;
554c0a3abf216c Hans de Goede 2017-03-29 407 }
554c0a3abf216c Hans de Goede 2017-03-29 408 _FWDownloadEnable(padapter, false);
554c0a3abf216c Hans de Goede 2017-03-29 409 if (_SUCCESS != rtStatus)
554c0a3abf216c Hans de Goede 2017-03-29 410 goto fwdl_stat;
554c0a3abf216c Hans de Goede 2017-03-29 411
554c0a3abf216c Hans de Goede 2017-03-29 412 rtStatus = _FWFreeToGo(padapter, 10, 200);
554c0a3abf216c Hans de Goede 2017-03-29 413 if (_SUCCESS != rtStatus)
554c0a3abf216c Hans de Goede 2017-03-29 414 goto fwdl_stat;
554c0a3abf216c Hans de Goede 2017-03-29 415
554c0a3abf216c Hans de Goede 2017-03-29 416 fwdl_stat:
554c0a3abf216c Hans de Goede 2017-03-29 417
554c0a3abf216c Hans de Goede 2017-03-29 418 exit:
93998817a169c0 Quytelda Kahja 2018-05-22 419 kfree(pFirmware->fw_buffer_sz);
554c0a3abf216c Hans de Goede 2017-03-29 420 kfree(pFirmware);
7e2b0aaec63351 Larry Finger 2017-04-08 @421 release_fw1:
554c0a3abf216c Hans de Goede 2017-03-29 422 kfree(pBTFirmware);
554c0a3abf216c Hans de Goede 2017-03-29 423 return rtStatus;
554c0a3abf216c Hans de Goede 2017-03-29 424 }
554c0a3abf216c Hans de Goede 2017-03-29 425
---
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