package/boot/uboot-envtools/patches/003-nor-eraselen.patch

   1 --- a/fw_env.c
   2 +++ b/fw_env.c
   3 @@ -790,7 +790,10 @@ static int flash_write_buf (int dev, int
   4         erase_offset = (offset / blocklen) * blocklen;
   5
   6         /* Maximum area we may use */
   7 -       erase_len = top_of_range - erase_offset;
   8 +       if (mtd_type == MTD_NANDFLASH)
   9 +               erase_len = top_of_range - erase_offset;
  10 +       else
  11 +               erase_len = blocklen;
  12
  13         blockstart = erase_offset;
  14         /* Offset inside a block */