wmfw_coeff_item
struct wmfw_coeff_item *blk;
struct wmfw_coeff_item *item;
size_t bytes_needed = struct_size_t(struct wmfw_coeff_item, data, payload_len_bytes);
struct wmfw_coeff_item *block;
block = (struct wmfw_coeff_item *)&bin->data[le32_to_cpu(header->len)];