* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-11 2:50 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-11 2:50 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 11096 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aeb6e6ac18c73ec287b3b1e2c913520699358c13
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 6 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220811/202208111018.K4KqJee1-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
--
sound/soc/mediatek/mt8195/mt8195-dai-etdm.c: In function 'mt8195_dai_etdm_parse_of':
>> sound/soc/mediatek/mt8195/mt8195-dai-etdm.c:2499:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
2499 | u32 sel;
| ^~~
'mt8195_dai_etdm_parse_of': event 1
|
| 2499 | u32 sel;
| | ^~~
| | |
| | (1) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-13 11:24 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-13 11:24 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 11097 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 69dac8e431af26173ca0a1ebc87054e01c585bcc
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 10 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220813/202208131910.ZFw3TPxZ-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
--
sound/soc/mediatek/mt8195/mt8195-dai-etdm.c: In function 'mt8195_dai_etdm_parse_of':
>> sound/soc/mediatek/mt8195/mt8195-dai-etdm.c:2499:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
2499 | u32 sel;
| ^~~
'mt8195_dai_etdm_parse_of': event 1
|
| 2499 | u32 sel;
| | ^~~
| | |
| | (1) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-13 5:01 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-13 5:01 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 10554 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 69dac8e431af26173ca0a1ebc87054e01c585bcc
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220813/202208131223.IgMqUWZm-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-12 7:10 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-12 7:10 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 11097 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7ebfc85e2cd7b08f518b526173e9a33b56b3913b
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 10 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220812/202208121528.1WZu5vhr-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
--
sound/soc/mediatek/mt8195/mt8195-dai-etdm.c: In function 'mt8195_dai_etdm_parse_of':
>> sound/soc/mediatek/mt8195/mt8195-dai-etdm.c:2499:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
2499 | u32 sel;
| ^~~
'mt8195_dai_etdm_parse_of': event 1
|
| 2499 | u32 sel;
| | ^~~
| | |
| | (1) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-12 5:27 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-12 5:27 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 10554 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7ebfc85e2cd7b08f518b526173e9a33b56b3913b
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 9 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220812/202208121317.oFHtKLbM-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
* sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457]
@ 2022-08-10 16:57 kernel test robot
0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2022-08-10 16:57 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 10555 bytes --]
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "low confidence static check first_new_problem: sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]"
::::::
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Trevor Wu <trevor.wu@mediatek.com>
CC: Mark Brown <broonie@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d4252071b97d2027d246f6a82cbee4d52f618b47
commit: 6746cc858259985a945a07075a19ec4d24352407 ASoC: mediatek: mt8195: add platform driver
date: 12 months ago
:::::: branch date: 19 hours ago
:::::: commit date: 12 months ago
config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220811/202208110016.VelOWz7z-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6746cc858259985a945a07075a19ec4d24352407
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6746cc858259985a945a07075a19ec4d24352407
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error'
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
gcc-analyzer warnings: (new ones prefixed by >>)
sound/soc/mediatek/common/mtk-btcvsd.c: In function 'mtk_btcvsd_read_from_bt':
>> sound/soc/mediatek/common/mtk-btcvsd.c:365:13: warning: use of uninitialized value '<unknown>' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]
365 | int pv;
| ^~
'mtk_btcvsd_snd_irq_handler': events 1-12
|
| 481 | static irqreturn_t mtk_btcvsd_snd_irq_handler(int irq_id, void *dev)
| | ^~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (1) entry to 'mtk_btcvsd_snd_irq_handler'
|......
| 500 | if (((control >> 31) & 1) == 0) {
| | ~
| | |
| | (2) following 'false' branch...
|......
| 506 | if (packet_type >= BT_SCO_CVSD_MAX) {
| | ~
| | |
| | (3) ...to here
| | (4) following 'false' branch (when 'packet_type <= 5')...
|......
| 512 | packet_length = btsco_packet_info[packet_type][0];
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (5) ...to here
|......
| 553 | if (bt->rx->state == BT_SCO_STATE_RUNNING ||
| | ~
| | |
| | (6) following 'true' branch...
| 554 | bt->rx->state == BT_SCO_STATE_ENDING) {
| 555 | if (bt->rx->xrun) {
| | ~~
| | |
| | (7) ...to here
|......
| 568 | if (!bt->rx->xrun &&
| | ~~~~~~~~~~~~~~~~~
| | | |
| | | (10) following 'true' branch...
| | (8) following 'true' branch...
| 569 | (bt->rx->packet_w - bt->rx->packet_r <=
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (9) ...to here
| 570 | SCO_RX_PACKER_BUF_NUM - buf_cnt_rx)) {
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 571 | mtk_btcvsd_read_from_bt(bt,
| | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (11) ...to here
| | (12) calling 'mtk_btcvsd_read_from_bt' from 'mtk_btcvsd_snd_irq_handler'
| 572 | packet_type,
| | ~~~~~~~~~~~~
| 573 | packet_length,
| | ~~~~~~~~~~~~~~
| 574 | packet_num,
| | ~~~~~~~~~~~
| 575 | buf_cnt_rx,
| | ~~~~~~~~~~~
| 576 | control);
| | ~~~~~~~~
|
+--> 'mtk_btcvsd_read_from_bt': events 13-14
|
| 357 | static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
| | ^~~~~~~~~~~~~~~~~~~~~~~
| | |
| | (13) entry to 'mtk_btcvsd_read_from_bt'
|......
| 365 | int pv;
| | ~~
| | |
| | (14) use of uninitialized value '<unknown>' here
|
vim +365 sound/soc/mediatek/common/mtk-btcvsd.c
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 356
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 357 static int mtk_btcvsd_read_from_bt(struct mtk_btcvsd_snd *bt,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 358 enum bt_sco_packet_len packet_type,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 359 unsigned int packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 360 unsigned int packet_num,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 361 unsigned int blk_size,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 362 unsigned int control)
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 363 {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 364 unsigned int i;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 @365 int pv;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 366 u8 *src;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 367 unsigned int packet_buf_ofs;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 368 unsigned long flags;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 369 unsigned long connsys_addr_rx, ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 370
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 371 connsys_addr_rx = *bt->bt_reg_pkt_r;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 372 ap_addr_rx = (unsigned long)bt->bt_sram_bank2_base +
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 373 (connsys_addr_rx & 0xFFFF);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 374
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 375 if (connsys_addr_rx == 0xdeadfeed) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 376 /* bt return 0xdeadfeed if read register during bt sleep */
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 377 dev_warn(bt->dev, "%s(), connsys_addr_rx == 0xdeadfeed",
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 378 __func__);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 379 return -EIO;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 380 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 381
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 382 src = (u8 *)ap_addr_rx;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 383
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 384 mtk_btcvsd_snd_data_transfer(BT_SCO_DIRECT_BT2ARM, src,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 385 bt->rx->temp_packet_buf, packet_length,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 386 packet_num);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 387
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 388 spin_lock_irqsave(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 389 for (i = 0; i < blk_size; i++) {
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 390 packet_buf_ofs = (bt->rx->packet_w & SCO_RX_PACKET_MASK) *
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 391 bt->rx->packet_size;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 392 memcpy(bt->rx_packet_buf + packet_buf_ofs,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 393 bt->rx->temp_packet_buf + (SCO_RX_PLC_SIZE * i),
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 394 SCO_RX_PLC_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 395 if ((control & btsco_packet_valid_mask[packet_type][i]) ==
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 396 btsco_packet_valid_mask[packet_type][i])
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 397 pv = 1;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 398 else
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 399 pv = 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 400
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 401 packet_buf_ofs += SCO_RX_PLC_SIZE;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 402 memcpy(bt->rx_packet_buf + packet_buf_ofs, (void *)&pv,
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 403 SCO_CVSD_PACKET_VALID_SIZE);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 404 bt->rx->packet_w++;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 405 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 406 spin_unlock_irqrestore(&bt->rx_lock, flags);
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 407 return 0;
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 408 }
4bd8597dc36c37 KaiChieh Chuang 2019-01-30 409
:::::: The code at line 365 was first introduced by commit
:::::: 4bd8597dc36c376a2bb1ef2c72984615bdeb68de ASoC: mediatek: add btcvsd driver
:::::: TO: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
:::::: CC: Mark Brown <broonie@kernel.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-08-13 11:24 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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