diff options
| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-07-13 22:46:24 +0400 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-07-24 14:32:56 +0400 |
| commit | a6ea440769e11c46828cddd20f91ab57261701d5 (patch) | |
| tree | 19994608d2721de6484310c60e4a3ff1414cb1ef /drivers/mtd/ubi/vmt.c | |
| parent | a5bf6190417cbbf80443a9f71c65b653e13e9982 (diff) | |
| download | linux-a6ea440769e11c46828cddd20f91ab57261701d5.tar.xz | |
UBI: improve mkvol request validation
Check that volume name is not shorter than 'name_len'.
No need to copy the trailing zero byte because whole array
was zeroed earlier.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/vmt.c')
| -rw-r--r-- | drivers/mtd/ubi/vmt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 367b04176e0a..bfa7c5d2e064 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -275,7 +275,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) vol->data_pad = ubi->leb_size % vol->alignment; vol->vol_type = req->vol_type; vol->name_len = req->name_len; - memcpy(vol->name, req->name, vol->name_len + 1); + memcpy(vol->name, req->name, vol->name_len); vol->ubi = ubi; /* @@ -350,7 +350,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) vtbl_rec.vol_type = UBI_VID_DYNAMIC; else vtbl_rec.vol_type = UBI_VID_STATIC; - memcpy(vtbl_rec.name, vol->name, vol->name_len + 1); + memcpy(vtbl_rec.name, vol->name, vol->name_len); err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec); if (err) |