Hi Shenghao, kernel test robot noticed the following build warnings: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on tiwai-sound/for-linus linus/master v6.6-rc1 next-20230912] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Shenghao-Ding/ALSA-hda-tas2781-Support-ACPI_ID-both-TXNW2781-and-TIAS2781/20230910-153010 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20230910072704.1359-1-shenghao-ding%40ti.com patch subject: [PATCH v1] ALSA: hda/tas2781: Support ACPI_ID both TXNW2781 and TIAS2781 config: i386-buildonly-randconfig-003-20230912 (https://download.01.org/0day-ci/archive/20230912/202309122358.aEcJnIUJ-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309122358.aEcJnIUJ-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309122358.aEcJnIUJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> sound/pci/hda/tas2781_hda_i2c.c:665:24: warning: variable 'tas_priv' is uninitialized when used here [-Wuninitialized] return dev_err_probe(tas_priv->dev, -ENODEV, ^~~~~~~~ sound/pci/hda/tas2781_hda_i2c.c:656:33: note: initialize the variable 'tas_priv' to silence this warning struct tasdevice_priv *tas_priv; ^ = NULL 1 warning generated. vim +/tas_priv +665 sound/pci/hda/tas2781_hda_i2c.c 653 654 static int tas2781_hda_i2c_probe(struct i2c_client *clt) 655 { 656 struct tasdevice_priv *tas_priv; 657 int ret, i; 658 659 /* Check TIAS2781 or TXNW2781 */ 660 for (i = 0; i < ARRAY_SIZE(tas2781_acpi_hda_match); i++) 661 if (strstr(dev_name(&clt->dev), tas2781_acpi_hda_match[i].id)) 662 break; 663 664 if (i == ARRAY_SIZE(tas2781_acpi_hda_match)) > 665 return dev_err_probe(tas_priv->dev, -ENODEV, 666 "Device not available\n"); 667 668 tas_priv = tasdevice_kzalloc(clt); 669 if (!tas_priv) 670 return -ENOMEM; 671 672 tas_priv->irq_info.irq = clt->irq; 673 ret = tas2781_read_acpi(tas_priv, tas2781_acpi_hda_match[i].id); 674 if (ret) 675 return dev_err_probe(tas_priv->dev, ret, 676 "Platform not supported\n"); 677 678 ret = tasdevice_init(tas_priv); 679 if (ret) 680 goto err; 681 682 pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000); 683 pm_runtime_use_autosuspend(tas_priv->dev); 684 pm_runtime_mark_last_busy(tas_priv->dev); 685 pm_runtime_set_active(tas_priv->dev); 686 pm_runtime_get_noresume(tas_priv->dev); 687 pm_runtime_enable(tas_priv->dev); 688 689 pm_runtime_put_autosuspend(tas_priv->dev); 690 691 ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops); 692 if (ret) { 693 dev_err(tas_priv->dev, "Register component failed: %d\n", ret); 694 pm_runtime_disable(tas_priv->dev); 695 goto err; 696 } 697 698 tas2781_reset(tas_priv); 699 err: 700 if (ret) 701 tas2781_hda_remove(&clt->dev); 702 return ret; 703 } 704 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
