Hi David, kernel test robot noticed the following build warnings: [auto build test WARNING on 9a48d604672220545d209e9996c2a1edbb5637f6] url: https://github.com/intel-lab-lkp/linux/commits/David-Yang/crypto-hisilicon-Add-HiSilicon-ADVCA-Subsystem/20230513-154545 base: 9a48d604672220545d209e9996c2a1edbb5637f6 patch link: https://lore.kernel.org/r/20230513074339.266879-3-mmyangfl%40gmail.com patch subject: [PATCH v2 2/2] crypto: hisilicon/advca - Add SHA support config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20230513/202305131617.8wrECG3g-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/57ff91a10a13d90fadb0567f9245d9040ce9659e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review David-Yang/crypto-hisilicon-Add-HiSilicon-ADVCA-Subsystem/20230513-154545 git checkout 57ff91a10a13d90fadb0567f9245d9040ce9659e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/crypto/hisilicon/advca/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305131617.8wrECG3g-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/crypto/hisilicon/advca/hisi-advca-sha.c: In function 'hica_sha_update': >> drivers/crypto/hisilicon/advca/hisi-advca-sha.c:216:26: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 216 | bool inplace = !((unsigned int) data & 3); | ^ vim +216 drivers/crypto/hisilicon/advca/hisi-advca-sha.c 211 212 static int hica_sha_update(const struct hica_sha_priv *priv, const void *data, 213 unsigned int len, bool may_sleep) 214 { 215 struct device *dev = priv->dev; > 216 bool inplace = !((unsigned int) data & 3); 217 u8 *buf = NULL; 218 dma_addr_t addr; 219 int ret; 220 221 if (!len) 222 return 0; 223 224 if (WARN_ON(len % SHA_BLOCK_SIZE)) 225 return -EINVAL; 226 227 if (inplace) { 228 addr = dma_map_single(dev, (void *) data, len, DMA_TO_DEVICE); 229 if (dma_mapping_error(dev, addr)) { 230 dev_err(dev, "error mapping src\n"); 231 return -EIO; 232 } 233 234 inplace = !(addr & 3); 235 if (!inplace) 236 dma_unmap_single(dev, addr, len, DMA_TO_DEVICE); 237 } 238 239 if (!inplace) { 240 buf = dma_alloc_attrs(dev, len, &addr, 241 may_sleep ? GFP_KERNEL : GFP_ATOMIC, 0); 242 if (!buf) 243 return -ENOMEM; 244 memcpy(buf, data, len); 245 } 246 247 dma_sync_single_for_device(dev, addr, len, DMA_TO_DEVICE); 248 ret = hica_sha_record(priv, addr, len) ?: 249 hica_sha_wait(priv, SHA_RECORD_READY); 250 251 if (!buf) 252 dma_unmap_single(dev, addr, len, DMA_TO_DEVICE); 253 else { 254 memzero_explicit(buf, len); 255 dma_free_attrs(dev, len, buf, addr, 0); 256 } 257 258 pr_debug("%s: read %u\n", __func__, len); 259 return ret; 260 } 261 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
