tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git tmp head: 13665f1f8b5d501b40b1bc8448b0a032c7f04cc2 commit: fa60f65cd0cad66d82e3a4c683229f2cdd0df444 [8/44] ASoC: wm8994: Fix PM disable depth imbalance on error config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable tmp git checkout fa60f65cd0cad66d82e3a4c683229f2cdd0df444 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): sound/soc/codecs/wm8994.c: In function 'wm8994_probe': 4483 | ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8994, | ^~~ | net sound/soc/codecs/wm8994.c:4483:2: note: each undeclared identifier is reported only once for each function it appears in sound/soc/codecs/wm8994.c:4489:1: error: control reaches end of non-void function [-Werror=return-type] 4489 | } | ^ At top level: sound/soc/codecs/wm8994.c:736:38: warning: 'wm1811_snd_controls' defined but not used [-Wunused-const-variable=] 736 | static const struct snd_kcontrol_new wm1811_snd_controls[] = { | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 vim +4483 sound/soc/codecs/wm8994.c 4465 4466 static int wm8994_probe(struct platform_device *pdev) 4467 { 4468 struct wm8994_priv *wm8994; 4469 4470 wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv), 4471 GFP_KERNEL); 4472 if (wm8994 == NULL) 4473 return -ENOMEM; 4474 platform_set_drvdata(pdev, wm8994); 4475 4476 mutex_init(&wm8994->fw_lock); 4477 4478 wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent); 4479 4480 pm_runtime_enable(&pdev->dev); 4481 pm_runtime_idle(&pdev->dev); 4482 4484 wm8994_dai, ARRAY_SIZE(wm8994_dai)); 4485 if (ret < 0) 4486 pm_runtime_disable(&pdev->dev); 4487 4488 return ret; 4489 } 4490 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org