int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t offset, uint8_t size) { int ret; Error *local_err = NULL; ret = pci_add_capability2(pdev, cap_id, offset, size, &local_err); if (local_err) { assert(ret < 0); error_report_err(local_err); } else { /* success implies a positive offset in config space */ assert(ret > 0); } return ret; }