Hi Derek, kernel test robot noticed the following build warnings: [auto build test WARNING on amd-pstate/linux-next] [also build test WARNING on amd-pstate/bleeding-edge linus/master v6.14-rc5 next-20250228] [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/Derek-J-Clark/platform-x86-Add-lenovo-wmi-drivers-Documentation/20250226-060548 base: https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git linux-next patch link: https://lore.kernel.org/r/20250225220037.16073-5-derekjohn.clark%40gmail.com patch subject: [PATCH v3 4/4] platform/x86: Add Lenovo Other Mode WMI Driver config: x86_64-randconfig-003-20250303 (https://download.01.org/0day-ci/archive/20250303/202503030756.aT75o80n-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250303/202503030756.aT75o80n-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/202503030756.aT75o80n-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/platform/x86/lenovo-wmi.c:20: >> drivers/platform/x86/lenovo-wmi.h:21: warning: "pr_fmt" redefined 21 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | In file included from include/asm-generic/bug.h:22, from arch/x86/include/asm/bug.h:99, from include/linux/bug.h:5, from include/linux/jump_label.h:258, from include/linux/static_key.h:1, from arch/x86/include/asm/nospec-branch.h:6, from arch/x86/include/asm/paravirt_types.h:12, from arch/x86/include/asm/ptrace.h:175, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from include/linux/sched.h:13, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/wmi.h:11, from drivers/platform/x86/lenovo-wmi.c:19: include/linux/printk.h:391: note: this is the location of the previous definition 391 | #define pr_fmt(fmt) fmt | -- In file included from drivers/platform/x86/lenovo-wmi-other.c:28: >> drivers/platform/x86/lenovo-wmi.h:21: warning: "pr_fmt" redefined 21 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | In file included from include/asm-generic/bug.h:22, from arch/x86/include/asm/bug.h:99, from include/linux/bug.h:5, from include/linux/jump_label.h:258, from include/linux/static_key.h:1, from arch/x86/include/asm/nospec-branch.h:6, from arch/x86/include/asm/paravirt_types.h:12, from arch/x86/include/asm/ptrace.h:175, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from include/linux/sched.h:13, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from drivers/platform/x86/lenovo-wmi-other.c:23: include/linux/printk.h:391: note: this is the location of the previous definition 391 | #define pr_fmt(fmt) fmt | In file included from include/linux/memory_hotplug.h:7, from include/linux/mmzone.h:1475, from include/linux/gfp.h:7, from include/linux/xarray.h:16, from include/linux/radix-tree.h:21, from include/linux/idr.h:15, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/energy_model.h:7, from include/linux/device.h:16: drivers/platform/x86/lenovo-wmi-other.c: In function 'lenovo_wmi_om_notifier': >> include/linux/notifier.h:188:33: warning: statement with no effect [-Wunused-value] 188 | #define NOTIFY_BAD (NOTIFY_STOP_MASK|0x0002) | ^ drivers/platform/x86/lenovo-wmi-other.c:435:17: note: in expansion of macro 'NOTIFY_BAD' 435 | NOTIFY_BAD; | ^~~~~~~~~~ include/linux/notifier.h:186:33: warning: statement with no effect [-Wunused-value] 186 | #define NOTIFY_OK 0x0001 /* Suits me */ | ^~~~~~ drivers/platform/x86/lenovo-wmi-other.c:438:17: note: in expansion of macro 'NOTIFY_OK' 438 | NOTIFY_OK; | ^~~~~~~~~ vim +/pr_fmt +21 drivers/platform/x86/lenovo-wmi.h cff13e10214613 Derek J. Clark 2025-02-25 20 cff13e10214613 Derek J. Clark 2025-02-25 @21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt cff13e10214613 Derek J. Clark 2025-02-25 22 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki