Hi Roberto, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on integrity/next-integrity] [also build test WARNING on jss-tpmdd/next v5.5 next-20200205] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Roberto-Sassu/ima-support-stronger-algorithms-for-attestation/20200205-233901 base: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity reproduce: # apt-get install sparse # sparse version: v0.6.1-154-g1dc00f87-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> security/integrity/ima/ima_crypto.c:72:12: sparse: sparse: symbol 'ima_init_ima_crypto' was not declared. Should it be static? security/integrity/ima/ima_crypto.c:545:36: sparse: sparse: invalid assignment: |= security/integrity/ima/ima_crypto.c:545:36: sparse: left side has type unsigned int security/integrity/ima/ima_crypto.c:545:36: sparse: right side has type restricted fmode_t security/integrity/ima/ima_crypto.c:565:28: sparse: sparse: invalid assignment: &= security/integrity/ima/ima_crypto.c:565:28: sparse: left side has type unsigned int security/integrity/ima/ima_crypto.c:565:28: sparse: right side has type restricted fmode_t security/integrity/ima/ima_crypto.c:592:52: sparse: sparse: restricted __le32 degrades to integer Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation