Hi Sami, [auto build test WARNING on: dm/for-next] [also build test WARNING on: v4.3 next-20151105] url: https://github.com/0day-ci/linux/commits/Sami-Tolvanen/dm-verity-clean-up-duplicate-hashing-code/20151105-124458 base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next config: s390-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All warnings (new ones prefixed by >>): drivers/md/dm-verity.c: In function 'verity_fec_decode_rsb': >> drivers/md/dm-verity.c:812:1: warning: 'verity_fec_decode_rsb' uses dynamic stack allocation } ^ vim +/verity_fec_decode_rsb +812 drivers/md/dm-verity.c 796 if (r < 0) 797 return r; 798 799 r = verity_hash(v, io_hash_desc(v, io), io->fec_buf, 800 1 << v->data_dev_block_bits, io_real_digest(v, io)); 801 if (unlikely(r < 0)) 802 return r; 803 804 if (memcmp(io_real_digest(v, io), io_want_digest(v, io), 805 v->digest_size)) { 806 DMERR_LIMIT("%s: FEC %llu: failed to correct (%d erasures)", 807 v->data_dev->name, (unsigned long long)rsb, neras); 808 return -1; 809 } 810 811 return 0; > 812 } 813 814 static int verity_fec_bv_copy(struct dm_verity *v, struct dm_verity_io *io, 815 u8 *data, size_t len) 816 { 817 BUG_ON(io->fec_pos + len > 1 << v->data_dev_block_bits); 818 memcpy(data, &io->fec_buf[io->fec_pos], len); 819 io->fec_pos += len; 820 return 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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