From: Yulong Pei <yulong.pei@intel.com>
Date: Tue, 18 Apr 2023 03:05:37 +0000 (+0000)
Subject: fix(core): wrong to unbind driver if pci device in unbinded driver state
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=commitdiff_plain;h=b58b33c32f799c746bf90272519e8b1d3f78bc65

fix(core): wrong to unbind driver if pci device in unbinded driver state

Signed-off-by: Yulong Pei <yulong.pei@intel.com>
Change-Id: I7515bf952f8b6dbae180726da6a8bd4821c7af26
---

diff --git a/resources/libraries/python/DUTSetup.py b/resources/libraries/python/DUTSetup.py
index 419a4e291f..7eb19185e6 100644
--- a/resources/libraries/python/DUTSetup.py
+++ b/resources/libraries/python/DUTSetup.py
@@ -442,8 +442,10 @@ class DUTSetup:
         :type pci_addrs: list
         """
         for pci_addr in pci_addrs:
-            if not driver or \
-                    DUTSetup.get_pci_dev_driver(node, pci_addr) != driver:
+            cur_driver = DUTSetup.get_pci_dev_driver(node, pci_addr)
+            if not cur_driver:
+                return
+            if not driver or cur_driver != driver:
                 DUTSetup.pci_driver_unbind(node, pci_addr)
 
     @staticmethod