static int vmstate_subsection_load(QEMUFile *f, const VMStateDescription *vmsd, void *opaque) { while (qemu_peek_byte(f, 0) == QEMU_VM_SUBSECTION) { char idstr[256]; int ret; uint8_t version_id, len, size; const VMStateDescription *sub_vmsd; len = qemu_peek_byte(f, 1); if (len < strlen(vmsd->name) + 1) { /* subsection name has be be "section_name/a" */ return 0; } size = qemu_peek_buffer(f, (uint8_t *)idstr, len, 2); if (size != len) { return 0; } idstr[size] = 0; if (strncmp(vmsd->name, idstr, strlen(vmsd->name)) != 0) { /* it don't have a valid subsection name */ return 0; } sub_vmsd = vmstate_get_subsection(vmsd->subsections, idstr); if (sub_vmsd == NULL) { return -ENOENT; } qemu_file_skip(f, 1); /* subsection */ qemu_file_skip(f, 1); /* len */ qemu_file_skip(f, len); /* idstr */ version_id = qemu_get_be32(f); ret = vmstate_load_state(f, sub_vmsd, opaque, version_id); if (ret) { return ret; } } return 0; }