Hi Satya, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.14-stable head: 4ab5bac1598e3ed91a6267f6cada336467312112 commit: 86556e67a9fde013721c184f1590930b5811505f [3738/9999] ANDROID: mmc: MMC crypto API config: x86_64-randconfig-a002-20220124 (https://download.01.org/0day-ci/archive/20220126/202201260846.mr5Y6XLD-lk...) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/86556e67a9fde013721c184... git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.14-stable git checkout 86556e67a9fde013721c184f1590930b5811505f # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000 drivers/mmc/core/ 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 >>): void mmc_crypto_setup_queue(struct mmc_host *host, struct request_queue *q) ^~~~~~~~~~~~~~~~~~~~~~ void mmc_crypto_free_host(struct mmc_host *host) ^~~~~~~~~~~~~~~~~~~~ void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq) ^~~~~~~~~~~~~~~~~~~~~~ vim +/mmc_crypto_setup_queue +14 drivers/mmc/core/crypto.c 13 15 { 16 if (host->caps2 & MMC_CAP2_CRYPTO) 17 q->ksm = host->ksm; 18 } 19 EXPORT_SYMBOL_GPL(mmc_crypto_setup_queue); 20 22 { 23 keyslot_manager_destroy(host->ksm); 24 } 25 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org