diff options
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 af34c64501..4cd7cf10b6 100644 --- a/resources/libraries/python/InterfaceUtil.py +++ b/resources/libraries/python/InterfaceUtil.py @@ -1828,8 +1828,9 @@ 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) |