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Should it be static? Message-ID: <202504292248.4b9Un345-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://android.googlesource.com/kernel/common android11-5.4 head: 1aec9e76fe4a65b0a26fa1b30bdb3400d9728b2d commit: 11bb05969b19050a0f9baa6bcd1cb23439b267e3 [1/1] ARM: 9350/1: fault: Implement copy_from_kernel_nofault_allowed() config: arm-randconfig-r111-20250429 (https://download.01.org/0day-ci/archive/20250429/202504292248.4b9Un345-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0 reproduce: (https://download.01.org/0day-ci/archive/20250429/202504292248.4b9Un345-lkp@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 | Closes: https://lore.kernel.org/oe-kbuild-all/202504292248.4b9Un345-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm/mm/fault.c:28:6: sparse: sparse: symbol 'copy_from_kernel_nofault_allowed' was not declared. Should it be static? arch/arm/mm/fault.c:217:15: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [usertype] fault @@ got int @@ arch/arm/mm/fault.c:217:15: sparse: expected restricted vm_fault_t [usertype] fault arch/arm/mm/fault.c:217:15: sparse: got int arch/arm/mm/fault.c:229:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [usertype] fault @@ got int @@ arch/arm/mm/fault.c:229:23: sparse: expected restricted vm_fault_t [usertype] fault arch/arm/mm/fault.c:229:23: sparse: got int arch/arm/mm/fault.c:342:13: sparse: sparse: restricted vm_fault_t degrades to integer arch/arm/mm/fault.c:342:13: sparse: sparse: restricted vm_fault_t degrades to integer arch/arm/mm/fault.c:375:24: sparse: sparse: restricted vm_fault_t degrades to integer vim +/copy_from_kernel_nofault_allowed +28 arch/arm/mm/fault.c 27 > 28 bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) 29 { 30 unsigned long addr = (unsigned long)unsafe_src; 31 32 return addr >= TASK_SIZE && ULONG_MAX - addr >= size; 33 } 34 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki