diff options
Diffstat (limited to 'libflash/libffs.c')
| -rw-r--r-- | libflash/libffs.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/libflash/libffs.c b/libflash/libffs.c index b4a8116..ceaf0fd 100644 --- a/libflash/libffs.c +++ b/libflash/libffs.c @@ -684,8 +684,8 @@ int ffs_hdr_finalise(struct blocklevel_device *bl, struct ffs_hdr *hdr) } /* Don't really care if this fails */ - blocklevel_erase(bl, hdr->base, hdr->size); - rc = blocklevel_write(bl, hdr->base, real_hdr, + blocklevel_erase(bl, hdr->part->base, hdr->size); + rc = blocklevel_write(bl, hdr->part->base, real_hdr, ffs_hdr_raw_size(num_entries)); if (rc) goto out; @@ -770,7 +770,8 @@ int ffs_entry_set_act_size(struct ffs_entry *ent, uint32_t actual_size) return 0; } -int ffs_hdr_new(uint32_t block_size, uint32_t block_count, struct ffs_hdr **r) +int ffs_hdr_new(uint32_t block_size, uint32_t block_count, + struct ffs_entry **e, struct ffs_hdr **r) { struct ffs_hdr *ret; struct ffs_entry *part_table; @@ -786,12 +787,23 @@ int ffs_hdr_new(uint32_t block_size, uint32_t block_count, struct ffs_hdr **r) ret->entries = calloc(HDR_ENTRIES_NUM, sizeof(struct ffs_entry *)); ret->entries_size = HDR_ENTRIES_NUM; - /* Don't know how big it will be, ffs_hdr_finalise() will fix */ - rc = ffs_entry_new("part", 0, 0, &part_table); - if (rc) { - free(ret); - return rc; + if (!e || !(*e)) { + /* Don't know how big it will be, ffs_hdr_finalise() will fix */ + rc = ffs_entry_new("part", 0, 0, &part_table); + if (rc) { + free(ret); + return rc; + } + if (e) + *e = part_table; + } else { + part_table = *e; } + + /* If the user still holds a ref to e, then inc the refcount */ + if (e) + part_table->ref++; + ret->part = part_table; part_table->pid = FFS_PID_TOPLEVEL; |