diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/devices/docg3.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index f5930caa38e7..62e01113c317 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -872,11 +872,8 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from, if (ooblen % DOC_LAYOUT_OOB_SIZE) return -EINVAL; - ret = -EINVAL; - calc_block_sector(from + len, &block0, &block1, &page, &ofs, - docg3->reliable); - if (block1 > docg3->max_block) - goto err; + if (from + len > mtd->size) + return -EINVAL; ops->oobretlen = 0; ops->retlen = 0; @@ -1207,7 +1204,7 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *info) calc_block_sector(info->addr + info->len, &block0, &block1, &page, &ofs, docg3->reliable); ret = -EINVAL; - if (block1 > docg3->max_block || page || ofs) + if (info->addr + info->len > mtd->size || page || ofs) goto reset_err; ret = 0; @@ -1443,12 +1440,8 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, if (len && ooblen && (len / DOC_LAYOUT_PAGE_SIZE) != (ooblen / oobdelta)) return -EINVAL; - - ret = -EINVAL; - calc_block_sector(ofs + len, &block0, &block1, &page, &pofs, - docg3->reliable); - if (block1 > docg3->max_block) - goto err; + if (ofs + len > mtd->size) + return -EINVAL; ops->oobretlen = 0; ops->retlen = 0; |