From: Chirag Shah <chirag@cumulusnetworks.com>
Date: Fri, 11 Oct 2019 18:42:12 +0000 (-0700)
Subject: zebra: handle macvlan down event
X-Git-Tag: base_7.3~133^2~3
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=59260d4a073aea5f8f0d1d8412bcd5b159275308;p=matthieu%2Ffrr.git

zebra: handle macvlan down event

Macvlan down event have sentinel check of its parent
link presence.

Ticket:CM-26622
Reviewed By:CCR-9326
Testing Done:

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
---

diff --git a/zebra/zebra_vxlan.c b/zebra/zebra_vxlan.c
index 1da419040e..dbc47223e1 100644
--- a/zebra/zebra_vxlan.c
+++ b/zebra/zebra_vxlan.c
@@ -8582,6 +8582,13 @@ void zebra_vxlan_macvlan_down(struct interface *ifp)
 	zif = ifp->info;
 	assert(zif);
 	link_ifp = zif->link;
+	if (!link_ifp) {
+		if (IS_ZEBRA_DEBUG_VXLAN)
+			zlog_debug("macvlan %s parent link is not found. Parent index %d ifp %s",
+				ifp->name, zif->link_ifindex,
+				if_lookup_by_index_all_vrf(zif->link_ifindex));
+		return;
+	}
 	link_zif = link_ifp->info;
 	assert(link_zif);