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Sat, 07 May 2022 12:20:41 +0000 Date: Sat, 7 May 2022 20:20:31 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, swedhanav Subject: [mchinth:sep_socwatch_linux_5_17 1/1] drivers/platform/x86/socperf/socperfdrv.o: warning: objtool: socperf_Service_IOCTL()+0x1e: unreachable instruction Message-ID: <202205072006.fzA1yAt5-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/mchinth/linux sep_socwatch_linux_5_17 head: 279a0843e522ec88123ebc978d37ddb6bf7bb2b8 commit: 279a0843e522ec88123ebc978d37ddb6bf7bb2b8 [1/1] Merge branch 'master' into sep_socwatch_linux_5_17 config: x86_64-randconfig-a004-20220502 (https://download.01.org/0day-ci/archive/20220507/202205072006.fzA1yAt5-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/mchinth/linux/commit/279a0843e522ec88123ebc978d37ddb6bf7bb2b8 git remote add mchinth https://github.com/mchinth/linux git fetch --no-tags mchinth sep_socwatch_linux_5_17 git checkout 279a0843e522ec88123ebc978d37ddb6bf7bb2b8 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/platform/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/platform/x86/socperf/socperfdrv.c:208:13: warning: no previous prototype for 'SOCPERF_Read_Data3' [-Wmissing-prototypes] 208 | extern VOID SOCPERF_Read_Data3(PVOID data_buffer) | ^~~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:990:1: warning: no previous prototype for 'SOCPERF_Switch_Group3' [-Wmissing-prototypes] 990 | SOCPERF_Switch_Group3(VOID) | ^~~~~~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:1175:13: warning: no previous prototype for 'lwpmudrv_Stop_Mem' [-Wmissing-prototypes] 1175 | extern VOID lwpmudrv_Stop_Mem(VOID) | ^~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:1392:22: warning: no previous prototype for 'socperf_Service_IOCTL' [-Wmissing-prototypes] 1392 | extern IOCTL_OP_TYPE socperf_Service_IOCTL(IOCTL_USE_INODE struct file *filp, | ^~~~~~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:1516:13: warning: no previous prototype for 'socperf_Device_Control' [-Wmissing-prototypes] 1516 | extern long socperf_Device_Control(IOCTL_USE_INODE struct file *filp, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:1551:13: warning: no previous prototype for 'socperf_Device_Control_Compat' [-Wmissing-prototypes] 1551 | extern long socperf_Device_Control_Compat(struct file *filp, unsigned int cmd, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/platform/x86/socperf/socperfdrv.c:1602:12: warning: no previous prototype for 'SOCPERF_Abnormal_Terminate' [-Wmissing-prototypes] 1602 | extern int SOCPERF_Abnormal_Terminate(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/platform/x86/socperf/socperfdrv.o: warning: objtool: socperf_Service_IOCTL()+0x1e: unreachable instruction -- drivers/platform/x86/socwatch/sw_driver.c: In function 'sw_collection_stop_i': drivers/platform/x86/socwatch/sw_driver.c:573:101: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 573 | "Warning: some trace_notifier probe functions could NOT be unregistered!\n"); | ^ drivers/platform/x86/socwatch/sw_driver.c: In function 'sw_collection_poll_i': drivers/platform/x86/socwatch/sw_driver.c:642:56: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 642 | pw_pr_debug("DEBUG: EMPTY POLL LIST\n"); | ^ drivers/platform/x86/socwatch/sw_driver.c: In function 'sw_load_driver_i': drivers/platform/x86/socwatch/sw_driver.c:1698:62: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 1698 | pw_pr_debug("OK, resetting worked\n"); | ^ drivers/platform/x86/socwatch/sw_driver.c: In function 'sw_unload_driver_i': drivers/platform/x86/socwatch/sw_driver.c:1715:62: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 1715 | pw_pr_debug("OK, resetting worked\n"); | ^ >> drivers/platform/x86/socwatch/sw_driver.o: warning: objtool: sw_unlocked_handle_ioctl_i()+0x171: unreachable instruction -- 0-DAY CI Kernel Test Service https://01.org/lkp