Hi Keerthy, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9eaa88c7036eda3f6c215f87ca693594cf90559b commit: d2c8ac187fc922e73930a1b2f6a211e27f595d01 crypto: sa2ul - Add AEAD algorithm support date: 1 year, 5 months ago config: mips-randconfig-p002-20211218 (https://download.01.org/0day-ci/archive/20211219/202112190729.P81P29Nc-lk...) compiler: mips-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d2c8ac187fc922e73930a1b2f6a211e27f595d01 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/crypto/ drivers/opp/ drivers/pinctrl/ drivers/usb/chipidea/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/dmaengine.h:8, from drivers/crypto/sa2ul.c:12: drivers/crypto/sa2ul.c: In function 'sa_sha_init': drivers/crypto/sa2ul.c:1486:47: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1486 | crypto_ahash_digestsize(tfm), (u64)rctx); | ^ include/linux/dev_printk.h:123:61: note: in definition of macro 'dev_dbg' 123 | dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/crypto/sa2ul.c: In function 'sa_prepare_iopads': 432 | } | ^ cppcheck possible warnings: (new ones prefixed by >>, may not real problems) enum ci_role ci_role = usb_role_to_ci_role(role); ^ drivers/usb/chipidea/ci.h:262:38: note: Shadowed declaration static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci) ^ drivers/usb/chipidea/core.c:596:15: note: Shadow variable enum ci_role ci_role = usb_role_to_ci_role(role); ^ *head = &opp->node; ^ vim +432 drivers/crypto/sa2ul.c 407 408 static void sa_prepare_iopads(struct algo_data *data, const u8 *key, 409 u16 key_sz, __be32 *ipad, __be32 *opad) 410 { 411 SHASH_DESC_ON_STACK(shash, data->ctx->shash); 412 int block_size = crypto_shash_blocksize(data->ctx->shash); 413 int digest_size = crypto_shash_digestsize(data->ctx->shash); 414 u8 k_ipad[SHA1_BLOCK_SIZE]; 415 u8 k_opad[SHA1_BLOCK_SIZE]; 416 417 shash->tfm = data->ctx->shash; 418 419 prepare_kiopad(k_ipad, k_opad, key, key_sz); 420 421 memzero_explicit(ipad, block_size); 422 memzero_explicit(opad, block_size); 423 424 crypto_shash_init(shash); 425 crypto_shash_update(shash, k_ipad, block_size); 426 sa_export_shash(shash, block_size, digest_size, ipad); 427 428 crypto_shash_init(shash); 429 crypto_shash_update(shash, k_opad, block_size); 430 431 sa_export_shash(shash, block_size, digest_size, opad); 433 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org