tree: git://git.infradead.org/users/hch/block.git bvec-kmap head: dcf9fd7b54aa00cdd89251aebaa3cc713f035e26 commit: 8441f5feb18c43b4c524ad54e70ea6e3cbe64403 [7/46] ps3disk: use memcpy_{from,to}_bvec config: powerpc64-randconfig-r016-20210522 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project e84a9b9bb3051c35dea993cdad7b3d2575638f85) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block bvec-kmap git checkout 8441f5feb18c43b4c524ad54e70ea6e3cbe64403 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 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 >>): memcpy_from_bvec(dev->bounce_buf + offset, &bvev) ^ ; memcpy_from_bvec(dev->bounce_buf + offset, &bvev) ^~~~ bvec drivers/block/ps3disk.c:86:17: note: 'bvec' declared here struct bio_vec bvec; ^ drivers/block/ps3disk.c:92:20: error: use of undeclared identifier 'bvev'; did you mean 'bvec'? memcpy_to_bvec(&bvev, dev->bounce_buf + offset); ^~~~ bvec drivers/block/ps3disk.c:86:17: note: 'bvec' declared here struct bio_vec bvec; ^ 3 errors generated. vim +90 drivers/block/ps3disk.c 79 80 81 static void ps3disk_scatter_gather(struct ps3_storage_device *dev, 82 struct request *req, int gather) 83 { 84 unsigned int offset = 0; 85 struct req_iterator iter; 86 struct bio_vec bvec; 87 88 rq_for_each_segment(bvec, req, iter) { 89 if (gather) 91 else 92 memcpy_to_bvec(&bvev, dev->bounce_buf + offset); 93 offset += bvec.bv_len; 94 } 95 } 96 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org