diff options
| -rw-r--r-- | tools/intel_vbt_decode.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/tools/intel_vbt_decode.c b/tools/intel_vbt_decode.c index 48755164..740940f9 100644 --- a/tools/intel_vbt_decode.c +++ b/tools/intel_vbt_decode.c @@ -137,8 +137,53 @@ static const void *block_data(const struct bdb_block *block) return block->data + 3; } +static size_t block_min_size(const struct context *context, int section_id) +{ + switch (section_id) { + case BDB_GENERAL_FEATURES: + return sizeof(struct bdb_general_features); + case BDB_GENERAL_DEFINITIONS: + return sizeof(struct bdb_general_definitions); + case BDB_PSR: + return sizeof(struct bdb_psr); + case BDB_CHILD_DEVICE_TABLE: + return sizeof(struct bdb_legacy_child_devices); + case BDB_DRIVER_FEATURES: + return sizeof(struct bdb_driver_features); + case BDB_SDVO_LVDS_OPTIONS: + return sizeof(struct bdb_sdvo_lvds_options); + case BDB_SDVO_PANEL_DTDS: + /* FIXME? */ + return 0; + case BDB_EDP: + return sizeof(struct bdb_edp); + case BDB_LVDS_OPTIONS: + return sizeof(struct bdb_lvds_options); + case BDB_LVDS_LFP_DATA_PTRS: + return sizeof(struct bdb_lvds_lfp_data_ptrs); + case BDB_LVDS_LFP_DATA: + return sizeof(struct bdb_lvds_lfp_data); + case BDB_LVDS_BACKLIGHT: + return sizeof(struct bdb_lfp_backlight_data); + case BDB_LFP_POWER: + return sizeof(struct bdb_lfp_power); + case BDB_MIPI_CONFIG: + return sizeof(struct bdb_mipi_config); + case BDB_MIPI_SEQUENCE: + return sizeof(struct bdb_mipi_sequence); + case BDB_COMPRESSION_PARAMETERS: + return sizeof(struct bdb_compression_parameters); + case BDB_GENERIC_DTD: + /* FIXME check spec */ + return sizeof(struct bdb_generic_dtd); + default: + return 0; + } +} + static struct bdb_block *find_section(const struct context *context, int section_id) { + size_t min_size = block_min_size(context, section_id); struct bdb_block *block; const void *data; size_t size; @@ -149,7 +194,7 @@ static struct bdb_block *find_section(const struct context *context, int section size = get_blocksize(data); - block = calloc(1, sizeof(*block) + 3 + size); + block = calloc(1, sizeof(*block) + 3 + max(size, min_size)); if (!block) return NULL; |