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charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20240726061312.1371450-3-wangshuaijie@awinic.com> References: <20240726061312.1371450-3-wangshuaijie@awinic.com> TO: wangshuaijie@awinic.com TO: jic23@kernel.org TO: lars@metafoo.de TO: robh@kernel.org TO: krzk+dt@kernel.org TO: conor+dt@kernel.org TO: waqar.hameed@axis.com TO: linux-iio@vger.kernel.org TO: devicetree@vger.kernel.org TO: linux-kernel@vger.kernel.org CC: wangshuaijie@awinic.com CC: liweilei@awinic.com CC: kangjiajun@awinic.com Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on 1722389b0d863056d78287a120a1d6cadb8d4f7b] url: https://github.com/intel-lab-lkp/linux/commits/wangshuaijie-awinic-com/dt-bindings-iio-aw9610x-Add-bindings-for-aw9610x-sensor/20240726-141450 base: 1722389b0d863056d78287a120a1d6cadb8d4f7b patch link: https://lore.kernel.org/r/20240726061312.1371450-3-wangshuaijie%40awinic.com patch subject: [PATCH V5 2/2] iio: proximity: aw9610x: Add support for aw9610x proximity sensor :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: x86_64-randconfig-r071-20240728 (https://download.01.org/0day-ci/archive/20240728/202407282339.D0ICTGHF-lkp@intel.com/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202407282339.D0ICTGHF-lkp@intel.com/ smatch warnings: drivers/iio/proximity/aw9610x.c:575 aw9610x_read_chipid() error: uninitialized symbol 'reg_val'. vim +/reg_val +575 drivers/iio/proximity/aw9610x.c 1e0a5bf0d81329 shuaijie wang 2024-07-26 557 1e0a5bf0d81329 shuaijie wang 2024-07-26 558 static int aw9610x_read_chipid(struct aw9610x *aw9610x) 1e0a5bf0d81329 shuaijie wang 2024-07-26 559 { 1e0a5bf0d81329 shuaijie wang 2024-07-26 560 unsigned char cnt = 0; 1e0a5bf0d81329 shuaijie wang 2024-07-26 561 u32 reg_val; 1e0a5bf0d81329 shuaijie wang 2024-07-26 562 int ret; 1e0a5bf0d81329 shuaijie wang 2024-07-26 563 1e0a5bf0d81329 shuaijie wang 2024-07-26 564 while (cnt < AW_READ_CHIPID_RETRIES) { 1e0a5bf0d81329 shuaijie wang 2024-07-26 565 ret = aw9610x_i2c_read(aw9610x, REG_CHIPID, ®_val); 1e0a5bf0d81329 shuaijie wang 2024-07-26 566 if (ret < 0) { 1e0a5bf0d81329 shuaijie wang 2024-07-26 567 cnt++; 1e0a5bf0d81329 shuaijie wang 2024-07-26 568 usleep_range(2000, 3000); 1e0a5bf0d81329 shuaijie wang 2024-07-26 569 } else { 1e0a5bf0d81329 shuaijie wang 2024-07-26 570 reg_val = FIELD_GET(AW9610X_CHIPID_MASK, reg_val); 1e0a5bf0d81329 shuaijie wang 2024-07-26 571 break; 1e0a5bf0d81329 shuaijie wang 2024-07-26 572 } 1e0a5bf0d81329 shuaijie wang 2024-07-26 573 } 1e0a5bf0d81329 shuaijie wang 2024-07-26 574 1e0a5bf0d81329 shuaijie wang 2024-07-26 @575 if (reg_val == AW9610X_CHIP_ID) 1e0a5bf0d81329 shuaijie wang 2024-07-26 576 return 0; 1e0a5bf0d81329 shuaijie wang 2024-07-26 577 1e0a5bf0d81329 shuaijie wang 2024-07-26 578 return -EINVAL; 1e0a5bf0d81329 shuaijie wang 2024-07-26 579 } 1e0a5bf0d81329 shuaijie wang 2024-07-26 580 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki