From: Pim van Pelt <pim@ipng.nl>
Date: Tue, 18 Jan 2022 13:30:52 +0000 (+0000)
Subject: linux-cp: fix possible null deref
X-Git-Tag: v22.06-rc0~5
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=4dc1149cc461dccf91601e8346c6489a2f37b53f;p=vpp.git

linux-cp: fix possible null deref

Found by coverity as defect id 243763

Signed-off-by: Pim van Pelt <pim@ipng.nl>
Type: fix
Change-Id: Idbada5528a1f2625f6498072d538edf306268b6d
---

diff --git a/src/plugins/linux-cp/lcp_interface_sync.c b/src/plugins/linux-cp/lcp_interface_sync.c
index a4e343f6b9a..57a8e557379 100644
--- a/src/plugins/linux-cp/lcp_interface_sync.c
+++ b/src/plugins/linux-cp/lcp_interface_sync.c
@@ -46,6 +46,8 @@ lcp_itf_pair_sync_state (lcp_itf_pair_t *lip)
     return;
   sup_sw =
     vnet_get_sw_interface_or_null (vnet_get_main (), sw->sup_sw_if_index);
+  if (!sup_sw)
+    return;
 
   if (lip->lip_namespace)
     {