tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 5bfdf47235f04f1d6e51aa8381e804c3160d834b [1942/1942] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value config: arm64-randconfig-r071-20251213 (https://download.01.org/0day-ci/archive/20251213/202512132042.PgSubudu-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512132042.PgSubudu-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512132042.PgSubudu-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/cpufreq/brcmstb-avs-cpufreq.c: In function 'brcm_avs_cpufreq_get':

...

drivers/cpufreq/brcmstb-avs-cpufreq.c:458:9: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 458 | struct private_data *priv = policy->driver_data; | ^~~~~~

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HARDLOCKUP_DETECTOR Depends on [n]: DEBUG_KERNEL [=n] && !S390 && (HAVE_HARDLOCKUP_DETECTOR_PERF [=n] || HAVE_HARDLOCKUP_DETECTOR_ARCH [=y]) Selected by [y]: - SDEI_WATCHDOG [=y] && <choice> && ARM_SDE_INTERFACE [=y] && !HARDLOCKUP_CHECK_TIMESTAMP [=n] vim +458 drivers/cpufreq/brcmstb-avs-cpufreq.c de322e085995b9 Markus Mayer 2016-10-27 452 de322e085995b9 Markus Mayer 2016-10-27 453 static unsigned int brcm_avs_cpufreq_get(unsigned int cpu) de322e085995b9 Markus Mayer 2016-10-27 454 { de322e085995b9 Markus Mayer 2016-10-27 455 struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); 5bfdf47235f04f Anastasia Belova 2024-05-07 456 if (!policy) 5bfdf47235f04f Anastasia Belova 2024-05-07 457 return 0; de322e085995b9 Markus Mayer 2016-10-27 @458 struct private_data *priv = policy->driver_data; de322e085995b9 Markus Mayer 2016-10-27 459 de322e085995b9 Markus Mayer 2016-10-27 460 return brcm_avs_get_frequency(priv->base); de322e085995b9 Markus Mayer 2016-10-27 461 } de322e085995b9 Markus Mayer 2016-10-27 462 :::::: The code at line 458 was first introduced by commit :::::: de322e085995b9417582d6f72229dadb5c09d163 cpufreq: brcmstb-avs-cpufreq: AVS CPUfreq driver for Broadcom STB SoCs :::::: TO: Markus Mayer <mmayer@broadcom.com> :::::: CC: Rafael J. Wysocki <rafael.j.wysocki@intel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki