From: Tobias Brunner <tobias@strongswan.org>
Date: Thu, 15 Oct 2020 11:42:57 +0000 (+0200)
Subject: child-sa: Only reinstall VIPs if any are passed
X-Git-Tag: 5.9.1rc1~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de69d255963bd7cb3c6119c6fa3d4b1cdfd3a3d0;p=thirdparty%2Fstrongswan.git

child-sa: Only reinstall VIPs if any are passed
---

diff --git a/src/libcharon/sa/child_sa.c b/src/libcharon/sa/child_sa.c
index 207763953d..2f61802f5e 100644
--- a/src/libcharon/sa/child_sa.c
+++ b/src/libcharon/sa/child_sa.c
@@ -1605,7 +1605,10 @@ METHOD(child_sa_t, update, status_t,
 
 				/* we reinstall the virtual IP to handle interface roaming
 				 * correctly */
-				vips->invoke_function(vips, reinstall_vip, me);
+				if (vips)
+				{
+					vips->invoke_function(vips, reinstall_vip, me);
+				}
 
 				/* reinstall updated policies */
 				install_policies_internal(this, me, other, my_ts, other_ts,