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_alloc_zero_digest': >> drivers/md/dm-verity.c:1226:1: warning: 'verity_alloc_zero_digest' uses dynamic stack allocation } ^ drivers/md/dm-verity.c: In function 'verity_fec_decode_rsb': drivers/md/dm-verity.c:846:1: warning: 'verity_fec_decode_rsb' uses dynamic stack allocation } ^ vim +/verity_alloc_zero_digest +1226 drivers/md/dm-verity.c 1210 1211 v->zero_digest = kmalloc(v->digest_size, GFP_KERNEL); 1212 1213 if (!v->zero_digest) 1214 return -ENOMEM; 1215 1216 zero_data = kzalloc(1 << v->data_dev_block_bits, GFP_KERNEL); 1217 1218 if (!zero_data) 1219 return -ENOMEM; /* verity_dtr will free zero_digest */ 1220 1221 r = verity_hash(v, (struct shash_desc *)desc, zero_data, 1222 1 << v->data_dev_block_bits, v->zero_digest); 1223 1224 kfree(zero_data); 1225 return r; > 1226 } 1227 1228 static int verity_parse_opt_args(struct dm_arg_set *as, struct dm_verity *v, 1229 const char *opt_string) 1230 { 1231 int r; 1232 unsigned long long num_ll; 1233 unsigned char num_c; 1234 char dummy; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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