Hi Matias, [auto build test WARNING on block/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Matias-Bj-rling/Support-for-Open-Channel-SSDs/20151014-224617 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) vim +109 drivers/lightnvm/gennvm.c 93 { 94 struct nvm_dev *dev = private; 95 struct gen_nvm *gn = dev->mp; 96 sector_t max_pages = dev->total_pages * (dev->sec_size >> 9); 97 u64 elba = slba + nlb; 98 struct gen_lun *lun; 99 struct nvm_block *blk; 100 u64 i; 101 int lun_id; 102 103 if (unlikely(elba > dev->total_pages)) { 104 pr_err("gen_nvm: L2P data from device is out of bounds!\n"); 105 return -EINVAL; 106 } 107 108 for (i = 0; i < nlb; i++) { > 109 u64 pba = le64_to_cpu(entries[i]); 110 111 if (unlikely(pba >= max_pages && pba != U64_MAX)) { 112 pr_err("gen_nvm: L2P data entry is out of bounds!\n"); 113 return -EINVAL; 114 } 115 116 /* Address zero is a special one. The first page on a disk is 117 * protected. It often holds internal device boot --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
