tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 1036633e10f86b793e60dd8698c65df6712cad2a commit: f98f6e2134bd3ee5db0594dc399f9562ecc2d08a [130/163] crypto: ccree - add support for sec disabled mode reproduce: # apt-get install sparse git checkout f98f6e2134bd3ee5db0594dc399f9562ecc2d08a 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 >>) >> drivers/crypto/ccree/cc_driver.c:38:6: sparse: sparse: symbol 'cc_sec_disable' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation