Hi zhenwei, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on herbert-cryptodev-2.6/master] [also build test WARNING on herbert-crypto-2.6/master linux/master linus/master v5.16 next-20220121] [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] url: https://github.com/0day-ci/linux/commits/zhenwei-pi/Introduce-akcipher-service-for-virtio-crypto/20220121-102730 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20220121/202201211638.IIpjX8Kd-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/fa1045d13dd16399ab0287c599719a977892cf05 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review zhenwei-pi/Introduce-akcipher-service-for-virtio-crypto/20220121-102730 git checkout fa1045d13dd16399ab0287c599719a977892cf05 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/crypto/virtio/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/crypto/virtio/virtio_crypto_akcipher_algo.c:276:5: sparse: sparse: symbol 'virtio_crypto_rsa_do_req' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
