CC: [email protected] CC: [email protected] CC: [email protected] TO: Olivier Moysan <[email protected]> CC: Mark Brown <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 02d5e016800d082058b3d3b7c3ede136cdc6ddcb commit: 8a262e614ef8675cfde924c6ddf873a95db0be6a ASoC: stm32: i2s: add master clock provider date: 8 months ago :::::: branch date: 14 hours ago :::::: commit date: 8 months ago config: arm-randconfig-c002-20210929 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8a262e614ef8675cfde924c6ddf873a95db0be6a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 8a262e614ef8675cfde924c6ddf873a95db0be6a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:550:2: warning: Value stored to 'priv' is never read [clang-analyzer-deadcode.DeadStores] priv = dev->dev_private; ^ ~~~~~~~~~~~~~~~~ drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:550:2: note: Value stored to 'priv' is never read priv = dev->dev_private; ^ ~~~~~~~~~~~~~~~~ Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 1 warning generated. Suppressed 1 warnings (1 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 1 warning generated. Suppressed 1 warnings (1 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 1 warning generated. Suppressed 1 warnings (1 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. drivers/mtd/nand/raw/r852.c:593:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy] strcpy(buf, data); ^~~~~~ drivers/mtd/nand/raw/r852.c:593:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 strcpy(buf, data); ^~~~~~ Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. sound/soc/kirkwood/kirkwood-i2s.c:322:2: warning: Value stored to 'value' is never read [clang-analyzer-deadcode.DeadStores] value = readl(priv->io + KIRKWOOD_RECCTL); ^ sound/soc/kirkwood/kirkwood-i2s.c:322:2: note: Value stored to 'value' is never read Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 18 warnings generated. >> sound/soc/stm/stm32_i2s.c:434:2: warning: Call to function 'strcat' is >> insecure as it does not provide bounding of the memory buffer. Replace >> unbounded copy functions with analogous functions that support length >> arguments such as 'strlcat'. CWE-119 >> [clang-analyzer-security.insecureAPI.strcpy] strcat(p, "_mclk"); ^~~~~~ sound/soc/stm/stm32_i2s.c:434:2: note: Call to function 'strcat' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcat'. CWE-119 strcat(p, "_mclk"); ^~~~~~ sound/soc/stm/stm32_i2s.c:455:26: warning: Value stored to 'pdev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct platform_device *pdev = i2s->pdev; ^~~~ ~~~~~~~~~ sound/soc/stm/stm32_i2s.c:455:26: note: Value stored to 'pdev' during its initialization is never read struct platform_device *pdev = i2s->pdev; ^~~~ ~~~~~~~~~ Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. sound/soc/codecs/rt700.c:127:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = regmap_read(rt700->regmap, reg, &jack_status); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/rt700.c:127:3: note: Value stored to 'ret' is never read ret = regmap_read(rt700->regmap, reg, &jack_status); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. sound/soc/codecs/rt711.c:95:2: warning: Value stored to 'dev' is never read [clang-analyzer-deadcode.DeadStores] dev = regmap_get_device(regmap); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/rt711.c:95:2: note: Value stored to 'dev' is never read dev = regmap_get_device(regmap); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (17 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 1 warning generated. Suppressed 1 warnings (1 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. drivers/media/platform/davinci/vpbe.c:631:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = -ENOMEM; ^ ~~~~~~~ drivers/media/platform/davinci/vpbe.c:631:4: note: Value stored to 'err' is never read err = -ENOMEM; ^ ~~~~~~~ Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 17 warnings generated. Suppressed 17 warnings (16 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 16 warnings generated. Suppressed 16 warnings (16 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. vim +434 sound/soc/stm/stm32_i2s.c 8a262e614ef8675 Olivier Moysan 2021-02-05 406 8a262e614ef8675 Olivier Moysan 2021-02-05 407 static int stm32_i2s_add_mclk_provider(struct stm32_i2s_data *i2s) 8a262e614ef8675 Olivier Moysan 2021-02-05 408 { 8a262e614ef8675 Olivier Moysan 2021-02-05 409 struct clk_hw *hw; 8a262e614ef8675 Olivier Moysan 2021-02-05 410 struct stm32_i2smclk_data *mclk; 8a262e614ef8675 Olivier Moysan 2021-02-05 411 struct device *dev = &i2s->pdev->dev; 8a262e614ef8675 Olivier Moysan 2021-02-05 412 const char *pname = __clk_get_name(i2s->i2sclk); 8a262e614ef8675 Olivier Moysan 2021-02-05 413 char *mclk_name, *p, *s = (char *)pname; 8a262e614ef8675 Olivier Moysan 2021-02-05 414 int ret, i = 0; 8a262e614ef8675 Olivier Moysan 2021-02-05 415 8a262e614ef8675 Olivier Moysan 2021-02-05 416 mclk = devm_kzalloc(dev, sizeof(*mclk), GFP_KERNEL); 8a262e614ef8675 Olivier Moysan 2021-02-05 417 if (!mclk) 8a262e614ef8675 Olivier Moysan 2021-02-05 418 return -ENOMEM; 8a262e614ef8675 Olivier Moysan 2021-02-05 419 8a262e614ef8675 Olivier Moysan 2021-02-05 420 mclk_name = devm_kcalloc(dev, sizeof(char), 8a262e614ef8675 Olivier Moysan 2021-02-05 421 STM32_I2S_NAME_LEN, GFP_KERNEL); 8a262e614ef8675 Olivier Moysan 2021-02-05 422 if (!mclk_name) 8a262e614ef8675 Olivier Moysan 2021-02-05 423 return -ENOMEM; 8a262e614ef8675 Olivier Moysan 2021-02-05 424 8a262e614ef8675 Olivier Moysan 2021-02-05 425 /* 8a262e614ef8675 Olivier Moysan 2021-02-05 426 * Forge mclk clock name from parent clock name and suffix. 8a262e614ef8675 Olivier Moysan 2021-02-05 427 * String after "_" char is stripped in parent name. 8a262e614ef8675 Olivier Moysan 2021-02-05 428 */ 8a262e614ef8675 Olivier Moysan 2021-02-05 429 p = mclk_name; 8a262e614ef8675 Olivier Moysan 2021-02-05 430 while (*s && *s != '_' && (i < (STM32_I2S_NAME_LEN - 7))) { 8a262e614ef8675 Olivier Moysan 2021-02-05 431 *p++ = *s++; 8a262e614ef8675 Olivier Moysan 2021-02-05 432 i++; 8a262e614ef8675 Olivier Moysan 2021-02-05 433 } 8a262e614ef8675 Olivier Moysan 2021-02-05 @434 strcat(p, "_mclk"); 8a262e614ef8675 Olivier Moysan 2021-02-05 435 8a262e614ef8675 Olivier Moysan 2021-02-05 436 mclk->hw.init = CLK_HW_INIT(mclk_name, pname, &mclk_ops, 0); 8a262e614ef8675 Olivier Moysan 2021-02-05 437 mclk->i2s_data = i2s; 8a262e614ef8675 Olivier Moysan 2021-02-05 438 hw = &mclk->hw; 8a262e614ef8675 Olivier Moysan 2021-02-05 439 8a262e614ef8675 Olivier Moysan 2021-02-05 440 dev_dbg(dev, "Register master clock %s\n", mclk_name); 8a262e614ef8675 Olivier Moysan 2021-02-05 441 ret = devm_clk_hw_register(&i2s->pdev->dev, hw); 8a262e614ef8675 Olivier Moysan 2021-02-05 442 if (ret) { 8a262e614ef8675 Olivier Moysan 2021-02-05 443 dev_err(dev, "mclk register fails with error %d\n", ret); 8a262e614ef8675 Olivier Moysan 2021-02-05 444 return ret; 8a262e614ef8675 Olivier Moysan 2021-02-05 445 } 8a262e614ef8675 Olivier Moysan 2021-02-05 446 i2s->i2smclk = hw->clk; 8a262e614ef8675 Olivier Moysan 2021-02-05 447 8a262e614ef8675 Olivier Moysan 2021-02-05 448 /* register mclk provider */ 8a262e614ef8675 Olivier Moysan 2021-02-05 449 return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, hw); 8a262e614ef8675 Olivier Moysan 2021-02-05 450 } 8a262e614ef8675 Olivier Moysan 2021-02-05 451 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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