diff options
| -rw-r--r-- | drivers/mtd/mtdchar.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/sm_ftl.c | 4 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 5 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 83b0c82e9c9..c501eec17b3 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -1004,7 +1004,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) break; case MTD_FILE_MODE_RAW: - if (!mtd->read_oob || !mtd->write_oob) + if (!mtd_has_oob(mtd)) return -EOPNOTSUPP; mfi->mode = arg; diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c index 4ec2af7fb84..072ed5970e2 100644 --- a/drivers/mtd/sm_ftl.c +++ b/drivers/mtd/sm_ftl.c @@ -645,8 +645,8 @@ int sm_get_media_info(struct sm_ftl *ftl, struct mtd_info *mtd) if (!ftl->smallpagenand && mtd->oobsize < SM_OOB_SIZE) return -ENODEV; - /* We use these functions for IO */ - if (!mtd->read_oob || !mtd->write_oob) + /* We use OOB */ + if (!mtd_has_oob(mtd)) return -ENODEV; /* Find geometry information */ diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index f0dd5a305b8..478701566ba 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -454,6 +454,11 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd) return do_div(sz, mtd->writesize); } +static inline int mtd_has_oob(const struct mtd_info *mtd) +{ + return mtd->read_oob && mtd->write_oob; +} + /* Kernel-side ioctl definitions */ struct mtd_partition; |