diff options
| -rw-r--r-- | drivers/mtd/ubi/fastmap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index 5483bb97ae..f33c2dbb0b 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -128,8 +128,10 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id, if (vol_id > av->vol_id) p = &(*p)->rb_left; - else + else if (vol_id < av->vol_id) p = &(*p)->rb_right; + else + return ERR_PTR(-EINVAL); } av = kmalloc(sizeof(struct ubi_ainf_volume), GFP_KERNEL); @@ -687,6 +689,11 @@ static int ubi_attach_fastmap(struct ubi_device *ubi, if (!av) goto fail_bad; + if (PTR_ERR(av) == -EINVAL) { + ubi_err(ubi, "volume (ID %i) already exists", + fmvhdr->vol_id); + goto fail_bad; + } ai->vols_found++; if (ai->highest_vol_id < be32_to_cpu(fmvhdr->vol_id)) |