Hi Shyam, kernel test robot noticed the following build warnings:
[auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.15-rc1 next-20250411] [cannot apply to soc/for-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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Shyam-Saini/arm-smmu-move-MSI_IOVA-macro-definitions/20250411-070014 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250410225030.2528385-4-shyamsaini%40linux.microsoft.com patch subject: [PATCH v2 3/3] arm-smmu: select suitable MSI IOVA config: arm-randconfig-002-20250412 (https://download.01.org/0day-ci/archive/20250412/202504120727.1zmvnvo2-...@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250412/202504120727.1zmvnvo2-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504120727.1zmvnvo2-...@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/fork.c:103:0: include/linux/iommu.h: In function 'select_msi_iova_base': >> include/linux/iommu.h:1573:1: warning: no return statement in function >> returning non-void [-Wreturn-type] } ^ vim +1573 include/linux/iommu.h 1570 1571 static inline u32 select_msi_iova_base(u32 erratic_iova_addr) 1572 { > 1573 } 1574 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki