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Diffstat (limited to 'resources/libraries/python/InterfaceUtil.py')
-rw-r--r-- | resources/libraries/python/InterfaceUtil.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py index c1c03aacb3..c50593ce6c 100644 --- a/resources/libraries/python/InterfaceUtil.py +++ b/resources/libraries/python/InterfaceUtil.py @@ -1829,8 +1829,9 @@ class InterfaceUtil: # PCI device must be re-bound to kernel driver before creating VFs. DUTSetup.verify_kernel_module(node, kernel_driver, force_load=True) # Stop VPP to prevent deadlock. - # Unbind from current driver. - DUTSetup.pci_driver_unbind(node, pf_pci_addr) + # Unbind from current driver if bound. + if current_driver: + DUTSetup.pci_driver_unbind(node, pf_pci_addr) # Bind to kernel driver. DUTSetup.pci_driver_bind(node, pf_pci_addr, kernel_driver) |