Hi Sascha, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.18-rc3 next-20180706] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Sascha-Hauer/UBIFS-authentication-support/20180705-043506 config: arm-aspeed_g4_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): fs/ubifs/replay.o: In function `ubifs_replay_journal': >> replay.c:(.text+0x794): undefined reference to `crypto_shash_update' fs/ubifs/log.o: In function `ubifs_log_start_commit': log.c:(.text+0x9ac): undefined reference to `crypto_shash_update' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/gzip Size: 16309 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-mtd/attachments/20180708/5afa51a3/attachment.gz>