diff options
Diffstat (limited to 'drivers/mtd/ubi')
| -rw-r--r-- | drivers/mtd/ubi/eba.c | 12 | ||||
| -rw-r--r-- | drivers/mtd/ubi/kapi.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 1 |
3 files changed, 15 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 180eb006e966..32045dd3d1db 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -312,6 +312,18 @@ static void leb_write_unlock(struct ubi_device *ubi, int vol_id, int lnum) } /** + * ubi_eba_is_mapped - check if a LEB is mapped. + * @vol: volume description object + * @lnum: logical eraseblock number + * + * This function returns true if the LEB is mapped, false otherwise. + */ +bool ubi_eba_is_mapped(struct ubi_volume *vol, int lnum) +{ + return vol->eba_tbl[lnum] >= 0; +} + +/** * ubi_eba_unmap_leb - un-map logical eraseblock. * @ubi: UBI device description object * @vol: volume description object diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index cec7f65beb9e..88b1897aeb40 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -722,7 +722,7 @@ int ubi_leb_map(struct ubi_volume_desc *desc, int lnum) if (vol->upd_marker) return -EBADF; - if (vol->eba_tbl[lnum] >= 0) + if (ubi_eba_is_mapped(vol, lnum)) return -EBADMSG; return ubi_eba_write_leb(ubi, vol, lnum, NULL, 0, 0); @@ -757,7 +757,7 @@ int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum) if (vol->upd_marker) return -EBADF; - return vol->eba_tbl[lnum] >= 0; + return ubi_eba_is_mapped(vol, lnum); } EXPORT_SYMBOL_GPL(ubi_is_mapped); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 23c902e204aa..37469805591d 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -849,6 +849,7 @@ static inline bool ubi_leb_valid(struct ubi_volume *vol, int lnum) } /* eba.c */ +bool ubi_eba_is_mapped(struct ubi_volume *vol, int lnum); int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum); int ubi_eba_read_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, |