Hi Andi, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.6-rc4 next-20231003] [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/Andi-Shyti/dma-buf-Deny-copy-on-writes-mmaps/20231004-070556 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231003230332.513051-1-andi.shyti%40linux.intel.com patch subject: [PATCH] dma-buf: Deny copy-on-writes mmaps config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20231004/202310041156.Bi2Vshvb-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231004/202310041156.Bi2Vshvb-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310041156.Bi2Vshvb-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/dma-buf/dma-buf.c: In function 'dma_buf_get_unmapped_area': >> drivers/dma-buf/dma-buf.c:142:27: error: 'struct mm_struct' has no member named 'get_unmapped_area' 142 | return current->mm->get_unmapped_area(file, addr, len, pgoff, flags); | ^~ drivers/dma-buf/dma-buf.c:143:1: error: control reaches end of non-void function [-Werror=return-type] 143 | } | ^ cc1: some warnings being treated as errors vim +142 drivers/dma-buf/dma-buf.c 131 132 static unsigned long 133 dma_buf_get_unmapped_area(struct file *file, 134 unsigned long addr, 135 unsigned long len, 136 unsigned long pgoff, 137 unsigned long flags) 138 { 139 if ((flags & MAP_TYPE) == MAP_PRIVATE) 140 return -EINVAL; 141 > 142 return current->mm->get_unmapped_area(file, addr, len, pgoff, flags); 143 } 144 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
