diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c
index 65ec135d0157..188c4f996512 100644
--- a/arch/powerpc/boot/simple_alloc.c
+++ b/arch/powerpc/boot/simple_alloc.c
@@ -114,7 +114,9 @@ static void *simple_realloc(void *ptr, unsigned long size)
 		return ptr;
 
 	new = simple_malloc(size);
-	memcpy(new, ptr, p->size);
+	if (new)
+		memcpy(new, ptr, p->size);
+
 	simple_free(ptr);
 	return new;
 }