On Tue, Sep 22, 2020 at 03:13:53AM +0800, kernel test robot wrote: > 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-20200921] > [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-r023-20200920 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4e8c028158b56d9c2142a62464e8e0686bde3584) > 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 > # install arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/iommu/arm/arm-smmu/qcom_iommu.c:601:4: warning: misleading indentation; statement is not part of the previous 'if' [-Wmisleading-indentation] > return -EINVAL; > ^ > drivers/iommu/arm/arm-smmu/qcom_iommu.c:599:3: note: previous statement is here > if (WARN_ON(qcom_iommu != dev_iommu_priv_get(dev))) Oh, this looks like a nasty bug. Seems we're missing some braces. Will
