Add support for realloc (NULL, size) in relocators

diff --git a/lib/relocator.c b/lib/relocator.c
index 176379eb775cd771043755bb8df2785d5261d368..d4bfebc8ead9b44da89d28a74c8ec6f9b8395e33 100644 (file)
--- 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);