From 01ea9a6224b77292e8506bf179729aeeaac30398 Mon Sep 17 00:00:00 2001
From: Jan Slomski <jan.slomski@westermo.se>
Date: Wed, 21 Mar 2018 10:23:57 +0100
Subject: [PATCH] route/link: Check for null pointer in macvlan

In cases where link->l_info is not set, a null-ptr-exception
will be invoked.

https://github.com/thom311/libnl/pull/238

Conflict:NA
Reference:https://github.com/thom311/libnl/commit/01ea9a6224b77292e8506bf179729aeeaac30398
Reference:https://github.com/thom311/libnl/commit/9cc38dcaeb55b5729c6c97b47884cebbda72b693
---
 lib/route/link/macvlan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/route/link/macvlan.c b/lib/route/link/macvlan.c
index a23fe6d8..3ccebf45 100644
--- a/lib/route/link/macvlan.c
+++ b/lib/route/link/macvlan.c
@@ -149,6 +149,8 @@ static void macvlan_free(struct rtnl_link *link)
 	uint32_t i;
 
 	mvi = link->l_info;
+	if (!mvi)
+		return;
 
 	for (i = 0; i < mvi->mvi_maccount; i++)
 		nl_addr_put(mvi->mvi_macaddr[i]);