From 1567811710eb000d41ade0b465fdf43c070aabc0 Mon Sep 17 00:00:00 2001
From: Lou Berger <lberger@labn.net>
Date: Tue, 12 Jan 2016 13:41:47 -0500
Subject: [PATCH] lib: treat realloc of null pointer as alloc Now use zalloc
 rather than alloc with null. Fixes issue seen in bgp check tests.

Signed-off-by: Lou Berger <lberger@labn.net>
(cherry picked from commit 9248b61f54955e56212f3ae4c8a7ab704f7ad01c)
---
 lib/memory.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/memory.c b/lib/memory.c
index 93ff702ca0..8e1f41d7f3 100644
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -108,6 +108,9 @@ zrealloc (int type, void *ptr, size_t size)
 {
   void *memory;
 
+  if (ptr == NULL)              /* is really alloc */
+      return zcalloc(type, size);
+
   memory = realloc (ptr, size);
   if (memory == NULL)
     zerror ("realloc", type, size);
-- 
2.39.5