tree: git://git.infradead.org/users/hch/misc.git iommu-cleanup head: 5bb13e80e571ad3a1e1c69f1181bbb892b936ccc commit: 1dc0ff3cff1d641efc5400cde505ed9e1b2181c3 [17/18] iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG config: i386-randconfig-s001-20210314 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-dirty git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc iommu-cleanup git checkout 1dc0ff3cff1d641efc5400cde505ed9e1b2181c3 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/iommu/iommu.c: In function 'iommu_set_pgtable_quirks': 2706 | if (!domain->ops->domain_set_pgtable_quirk) | ^~~~~~~~~~~~~~~~~~~~~~~~ | set_pgtable_quirks drivers/iommu/iommu.c:2708:22: error: 'const struct iommu_ops' has no member named 'domain_set_pgtable_quirk'; did you mean 'set_pgtable_quirks'? 2708 | return domain->ops->domain_set_pgtable_quirk(domain, quirk); | ^~~~~~~~~~~~~~~~~~~~~~~~ | set_pgtable_quirks drivers/iommu/iommu.c:2709:1: error: control reaches end of non-void function [-Werror=return-type] 2709 | } | ^ cc1: some warnings being treated as errors vim +2706 drivers/iommu/iommu.c 2700 2701 int iommu_set_pgtable_quirks(struct iommu_domain *domain, 2702 unsigned long quirk) 2703 { 2704 if (domain->type != IOMMU_DOMAIN_UNMANAGED) 2705 return -EINVAL; 2707 return -EINVAL; 2708 return domain->ops->domain_set_pgtable_quirk(domain, quirk); 2709 } 2710 EXPORT_SYMBOL_GPL(iommu_set_pgtable_quirks); 2711 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org