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 >>)

>> drivers/lightnvm/rrpc.c:917:27: sparse: cast to restricted __le64

vim +917 drivers/lightnvm/rrpc.c

   901  static int rrpc_l2p_update(u64 slba, u64 nlb, u64 *entries, void 
*private)
   902  {
   903          struct rrpc *rrpc = (struct rrpc *)private;
   904          struct nvm_dev *dev = rrpc->dev;
   905          struct rrpc_addr *addr = rrpc->trans_map + slba;
   906          struct rrpc_rev_addr *raddr = rrpc->rev_trans_map;
   907          sector_t max_pages = dev->total_pages * (dev->sec_size >> 9);
   908          u64 elba = slba + nlb;
   909          u64 i;
   910  
   911          if (unlikely(elba > dev->total_pages)) {
   912                  pr_err("nvm: L2P data from device is out of bounds!\n");
   913                  return -EINVAL;
   914          }
   915  
   916          for (i = 0; i < nlb; i++) {
 > 917                  u64 pba = le64_to_cpu(entries[i]);
   918                  /* LNVM treats address-spaces as silos, LBA and PBA are
   919                   * equally large and zero-indexed.
   920                   */
   921                  if (unlikely(pba >= max_pages && pba != U64_MAX)) {
   922                          pr_err("nvm: L2P data entry is out of 
bounds!\n");
   923                          return -EINVAL;
   924                  }
   925  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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