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author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-06-18 12:06:30 +0300 |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-07-18 16:55:55 +0300 |
commit | 94784d916458d51043ba76849b9beaf330baef2f (patch) | |
tree | a7b71f0aa61ce5524dc602716c6ae722ff78d461 /drivers/mtd/ubi/vmt.c | |
parent | 7753f1692f53d82b4cc08084462b0fd2803c1f04 (diff) | |
download | linux-stable-94784d916458d51043ba76849b9beaf330baef2f.tar.gz linux-stable-94784d916458d51043ba76849b9beaf330baef2f.tar.bz2 linux-stable-94784d916458d51043ba76849b9beaf330baef2f.zip |
UBI: bugfix in error path
When volume creation fails, we have to set ubi->volumes[vol_id]
back to NULL.
This patch also tweaks some debugging stuff.
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 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 6e135996e42d..a0c6e1e6d465 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -228,7 +228,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) for (i = 0; i < ubi->vtbl_slots; i++) if (ubi->volumes[i] && ubi->volumes[i]->name_len == req->name_len && - strcmp(ubi->volumes[i]->name, req->name) == 0) { + !strcmp(ubi->volumes[i]->name, req->name)) { dbg_err("volume \"%s\" exists (ID %d)", req->name, i); goto out_unlock; } @@ -351,6 +351,7 @@ out_acc: spin_lock(&ubi->volumes_lock); ubi->rsvd_pebs -= vol->reserved_pebs; ubi->avail_pebs += vol->reserved_pebs; + ubi->volumes[vol_id] = NULL; out_unlock: spin_unlock(&ubi->volumes_lock); kfree(vol); @@ -367,6 +368,7 @@ out_sysfs: spin_lock(&ubi->volumes_lock); ubi->rsvd_pebs -= vol->reserved_pebs; ubi->avail_pebs += vol->reserved_pebs; + ubi->volumes[vol_id] = NULL; spin_unlock(&ubi->volumes_lock); volume_sysfs_close(vol); return err; @@ -784,7 +786,7 @@ static void paranoid_check_volume(const struct ubi_device *ubi, int vol_id) return; fail: - ubi_err("paranoid check failed"); + ubi_err("paranoid check failed for volume %d", vol_id); ubi_dbg_dump_vol_info(vol); ubi_dbg_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id); BUG(); |