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-rw-r--r--src/drivers/usb/pci_xhci/pci_xhci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/drivers/usb/pci_xhci/pci_xhci.c b/src/drivers/usb/pci_xhci/pci_xhci.c
index b787127c2f..a375f07a8d 100644
--- a/src/drivers/usb/pci_xhci/pci_xhci.c
+++ b/src/drivers/usb/pci_xhci/pci_xhci.c
@@ -187,11 +187,16 @@ static void xhci_add_devices(const struct device *dev)
static void xhci_fill_ssdt(const struct device *dev)
{
int gpe;
+ const char *scope = acpi_device_scope(dev);
+ const char *name = acpi_device_name(dev);
+
+ if (!scope || !name)
+ return;
printk(BIOS_DEBUG, "xHCI SSDT generation\n");
- acpigen_write_scope(acpi_device_scope(dev));
- acpigen_write_device(acpi_device_name(dev));
+ acpigen_write_scope(scope);
+ acpigen_write_device(name);
acpigen_write_ADR_pci_device(dev);
acpigen_write_name_string("_DDN", "xHC - Extensible Host Controller");