[dpdk-dev] [Bug 57] ixgbe crash on detach when no VF is created

[bugzilla at dpdk.org]

https://dpdk.org/tracker/show_bug.cgi?id=57

            Bug ID: 57
           Summary: ixgbe crash on detach when no VF is created
           Product: DPDK
           Version: 18.05
          Hardware: All
                OS: Linux
            Status: CONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev at dpdk.org
          Reporter: ferruh.yigit at intel.com
  Target Milestone: ---

Issue reported by Anatoly Burakov <anatoly.burakov at intel.com>


Steps to reproduce (with ixgbe port):
./testpmd -- -i
> port stop all
> port close all
> port detach 0


The reason of the crash is:
(*vfinfo) is a null pointer at that point, -> dereferences it. 


The issue is introduced in:
commit cf80ba6e2038a54b6c5ba62ce4200234f5aa3880
Author: Declan Doherty <declan.doherty at intel.com>
Date:   Thu Apr 26 11:41:05 2018 +0100

    net/ixgbe: add support for representor ports

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