[ovs-git] [ovn-org/ovn] d5b6ef: ovn-trace: fix core dump with unknown datapath

[Lorenzo Bianconi]

  Branch: refs/heads/branch-20.12
  Home:   https://github.com/ovn-org/ovn
  Commit: d5b6ef06e3ff79bcd692f02e083ef11f63d1fc55
      https://github.com/ovn-org/ovn/commit/d5b6ef06e3ff79bcd692f02e083ef11f63d1fc55
  Author: Lorenzo Bianconi <lorenzo.bianconi at redhat.com>
  Date:   2021-01-08 (Fri, 08 Jan 2021)

  Changed paths:
    M tests/ovn.at
    M utilities/ovn-trace.c

  Log Message:
  -----------
  ovn-trace: fix core dump with unknown datapath

Fix ovn-trace core dump with unknown datapath

Fixes: aade361c7ebe ("ovn-trace: Make the "datapath" command-line argument optional.")
Co-authored-by: Dumitru Ceara <dceara at redhat.com>
Signed-off-by: Dumitru Ceara <dceara at redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi at redhat.com>
Signed-off-by: Numan Siddique <numans at ovn.org>

(cherry-picked from master commit 7c046cc48ca8a0c73f6de939ae6c6d6a8d0bd08e)