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Diffstat (limited to 'kernel/drivers/mtd/ubi/vtbl.c')
-rw-r--r--kernel/drivers/mtd/ubi/vtbl.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/kernel/drivers/mtd/ubi/vtbl.c b/kernel/drivers/mtd/ubi/vtbl.c
index 68c9c5ea6..d85c19762 100644
--- a/kernel/drivers/mtd/ubi/vtbl.c
+++ b/kernel/drivers/mtd/ubi/vtbl.c
@@ -70,6 +70,26 @@ static void self_vtbl_check(const struct ubi_device *ubi);
static struct ubi_vtbl_record empty_vtbl_record;
/**
+ * ubi_update_layout_vol - helper for updatting layout volumes on flash
+ * @ubi: UBI device description object
+ */
+static int ubi_update_layout_vol(struct ubi_device *ubi)
+{
+ struct ubi_volume *layout_vol;
+ int i, err;
+
+ layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)];
+ for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) {
+ err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl,
+ ubi->vtbl_size);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/**
* ubi_change_vtbl_record - change volume table record.
* @ubi: UBI device description object
* @idx: table index to change
@@ -83,12 +103,10 @@ static struct ubi_vtbl_record empty_vtbl_record;
int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
struct ubi_vtbl_record *vtbl_rec)
{
- int i, err;
+ int err;
uint32_t crc;
- struct ubi_volume *layout_vol;
ubi_assert(idx >= 0 && idx < ubi->vtbl_slots);
- layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)];
if (!vtbl_rec)
vtbl_rec = &empty_vtbl_record;
@@ -98,15 +116,10 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
}
memcpy(&ubi->vtbl[idx], vtbl_rec, sizeof(struct ubi_vtbl_record));
- for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) {
- err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl,
- ubi->vtbl_size);
- if (err)
- return err;
- }
+ err = ubi_update_layout_vol(ubi);
self_vtbl_check(ubi);
- return 0;
+ return err ? err : 0;
}
/**
@@ -121,9 +134,7 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
int ubi_vtbl_rename_volumes(struct ubi_device *ubi,
struct list_head *rename_list)
{
- int i, err;
struct ubi_rename_entry *re;
- struct ubi_volume *layout_vol;
list_for_each_entry(re, rename_list, list) {
uint32_t crc;
@@ -145,15 +156,7 @@ int ubi_vtbl_rename_volumes(struct ubi_device *ubi,
vtbl_rec->crc = cpu_to_be32(crc);
}
- layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)];
- for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) {
- err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl,
- ubi->vtbl_size);
- if (err)
- return err;
- }
-
- return 0;
+ return ubi_update_layout_vol(ubi);
}
/**
@@ -646,6 +649,7 @@ static int init_volumes(struct ubi_device *ubi,
if (ubi->corr_peb_count)
ubi_err(ubi, "%d PEBs are corrupted and not used",
ubi->corr_peb_count);
+ return -ENOSPC;
}
ubi->rsvd_pebs += reserved_pebs;
ubi->avail_pebs -= reserved_pebs;