From c8394ace7081ef0e71f3d162067c83c2629fc088 Mon Sep 17 00:00:00 2001
From: Morgan Stewart <morgan@cumulusnetworks.com>
Date: Thu, 17 Sep 2015 19:04:30 -0400
Subject: Fixed if_add_update possible null dereference

Coverity Scan #1221454
In zebra/interface.c if_data could be null dereferenced without early
check.

Signed-off-by: Morgan Stewart <morgan@cumulusnetworks.com>
Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
---
 zebra/interface.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'zebra/interface.c')

diff --git a/zebra/interface.c b/zebra/interface.c
index 14c3e78a..162439fa 100644
--- a/zebra/interface.c
+++ b/zebra/interface.c
@@ -368,6 +368,8 @@ if_add_update (struct interface *ifp)
   struct zebra_if *if_data;
 
   if_data = ifp->info;
+  assert(if_data);
+
   if (if_data->multicast == IF_ZEBRA_MULTICAST_ON)
     if_set_flags (ifp, IFF_MULTICAST);
   else if (if_data->multicast == IF_ZEBRA_MULTICAST_OFF)
-- 
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