Hi Yu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on iommu/next] [also build test WARNING on linus/master v5.9-rc6 next-20200922] [cannot apply to robclark/msm-next] [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] url: https://github.com/0day-ci/linux/commits/Yu-Kuai/iommu-qcom-add-missing-put_device-call-in-qcom_iommu_of_xlate/20200918-091341 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: arm64-randconfig-m031-20200923 (attached as .config) compiler: aarch64-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from arch/arm64/include/asm/atomic.h:12, from include/linux/atomic.h:7, from drivers/iommu/arm/arm-smmu/qcom_iommu.c:9: drivers/iommu/arm/arm-smmu/qcom_iommu.c: In function 'qcom_iommu_of_xlate': >> include/linux/compiler.h:56:23: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 56 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ^~ drivers/iommu/arm/arm-smmu/qcom_iommu.c:599:3: note: in expansion of macro 'if' 599 | if (WARN_ON(qcom_iommu != dev_iommu_priv_get(dev))) | ^~ drivers/iommu/arm/arm-smmu/qcom_iommu.c:601:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 601 | return -EINVAL; | ^~~~~~ # https://github.com/0day-ci/linux/commit/2d982fb40897ad8088dd9dba06aee499f51c73ba git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yu-Kuai/iommu-qcom-add-missing-put_device-call-in-qcom_iommu_of_xlate/20200918-091341 git checkout 2d982fb40897ad8088dd9dba06aee499f51c73ba vim +/if +56 include/linux/compiler.h 2bcd521a684cc9 Steven Rostedt 2008-11-21 50 2bcd521a684cc9 Steven Rostedt 2008-11-21 51 #ifdef CONFIG_PROFILE_ALL_BRANCHES 2bcd521a684cc9 Steven Rostedt 2008-11-21 52 /* 2bcd521a684cc9 Steven Rostedt 2008-11-21 53 * "Define 'is'", Bill Clinton 2bcd521a684cc9 Steven Rostedt 2008-11-21 54 * "Define 'if'", Steven Rostedt 2bcd521a684cc9 Steven Rostedt 2008-11-21 55 */ a15fd609ad53a6 Linus Torvalds 2019-03-20 @56 #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) a15fd609ad53a6 Linus Torvalds 2019-03-20 57 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org