[v0.11] Do not show error message when there is no Intel iGPU

src/intel/intel.cpp

@@ -18,6 +18,12 @@ struct gpu_info* get_gpu_info_intel() {
 
   struct pci_dev *devices = get_pci_devices_from_pciutils();
   gpu->pci = get_pci_from_pciutils(devices, PCI_VENDOR_ID_INTEL);
+
+  if(gpu->pci == NULL) {
+    // No Intel iGPU found in PCI, which means it is not present
+    return NULL;
+  }
+
   gpu->arch = get_uarch_from_pci(gpu->pci);
   gpu->name = get_name_from_uarch(gpu->arch);
   gpu->topo_i = get_topology_info(gpu->arch);