From c442639fc0411934c77f3f31e053ea626c357b32 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Fri, 27 Nov 2009 09:41:24 +0100
Subject: [PATCH] Add support for realloc (NULL, size) in relocators

---
 lib/relocator.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/relocator.c b/lib/relocator.c
index 176379eb7..d4bfebc8e 100644
--- a/lib/relocator.c
+++ b/lib/relocator.c
@@ -41,6 +41,9 @@ PREFIX (realloc) (void *relocator, grub_size_t size)
 {
   char *playground;
 
+  if (!relocator)
+    return PREFIX (alloc) (size);
+
   playground = (char *) relocator - PRE_REGION_SIZE;
 
   playground = grub_realloc (playground, size + MAX_OVERHEAD);