diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/ubi/kapi.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index d352c4575c3d..14c66b48798e 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -319,9 +319,14 @@ int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset, offset + len > vol->usable_leb_size) return -EINVAL; - if (vol->vol_type == UBI_STATIC_VOLUME && lnum == vol->used_ebs - 1 && - offset + len > vol->last_eb_bytes) - return -EINVAL; + if (vol->vol_type == UBI_STATIC_VOLUME) { + if (vol->used_ebs == 0) + /* Empty static UBI volume */ + return 0; + if (lnum == vol->used_ebs - 1 && + offset + len > vol->last_eb_bytes) + return -EINVAL; + } if (vol->upd_marker) return -EBADF; |