iwi_firmware_hdr
struct iwi_firmware_hdr *hdr;
if (size < sizeof(struct iwi_firmware_hdr)) {
hdr = (struct iwi_firmware_hdr *)sc->sc_blob;
if (size < sizeof(struct iwi_firmware_hdr) + hdr->bsize + hdr->usize + hdr->fsize) {
fw = sc->sc_blob + sizeof(struct iwi_firmware_hdr);