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Check if iommu_group devices path exists, before listing it.

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Filip Strajnar 2024-10-27 10:18:40 +01:00
parent 0a346daaa7
commit 8ba146d31e
1 changed files with 5 additions and 2 deletions
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7
src/pci_passthrough_assist/pci_device.py
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@ -55,8 +55,11 @@ class PciDevice:
driver.write(self.device_id) driver.write(self.device_id)
def devices_in_iommu_group(self) -> list['PciDevice']: def devices_in_iommu_group(self) -> list['PciDevice']:
device_ids: list[str] = listdir( iommu_group_device_path = f"/sys/bus/pci/devices/{self.device_id}/iommu_group/devices"
f"/sys/bus/pci/devices/{self.device_id}/iommu_group/devices") if not exists(iommu_group_device_path):
print("Device does not have iommu_group devices.")
return []
device_ids: list[str] = listdir(iommu_group_device_path)
return [PciDevice(device_id) for device_id in device_ids] return [PciDevice(device_id) for device_id in device_ids]
def __str__(self) -> str: def __str__(self) -> str: