From 699663614a28ab06ed84e868b3b42ea9e8cae2a0 Mon Sep 17 00:00:00 2001
From: Kalle Olavi Niemitalo <kon@iki.fi>
Date: Thu, 19 Apr 2007 00:15:30 +0300
Subject: [PATCH] l_pipe_read: Don't leak the old block if mem_realloc fails.

---
 src/scripting/lua/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/scripting/lua/core.c b/src/scripting/lua/core.c
index fcd717648..bd1b8df0c 100644
--- a/src/scripting/lua/core.c
+++ b/src/scripting/lua/core.c
@@ -204,8 +204,10 @@ l_pipe_read(LS)
 		size_t l = fread(buf, 1, sizeof(buf), fp);
 
 		if (l > 0) {
-			s = mem_realloc(s, len + l);
-			if (!s) goto lua_error;
+			unsigned char *news = mem_realloc(s, len + l);
+
+			if (!news) goto lua_error;
+			s = news;
 			memcpy(s + len, buf, l);
 			len += l;