From: Nirbheek Chauhan <nirbheek@centricular.com>
Date: Thu, 2 Jul 2020 09:32:57 +0000 (+0530)
Subject: orc: Don't set memory protection if there's no code
X-Git-Tag: orc-0.4.33~90
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ec0f3f9238d44eb9c60d72c3572c42c98cf2ad4;p=platform%2Fupstream%2Forc.git

orc: Don't set memory protection if there's no code

If the size of the JIT code is 0, there's no code and the *mem is
uninitialized. This can happen when orcc.exe is used to generate
backup C code.

Part-of: <https://gitlab.freedesktop.org/gstreamer/orc/-/merge_requests/44>
---

diff --git a/orc/orccompiler.c b/orc/orccompiler.c
index 23a1a84..63eee29 100644
--- a/orc/orccompiler.c
+++ b/orc/orccompiler.c
@@ -223,6 +223,9 @@ _set_virtual_protect (void * mem, size_t size, int code_protect)
   char *msg;
   DWORD old_protect;
 
+  /* No code, so we 'succeed' */
+  if (size == 0)
+    return TRUE;
 
   if (!mem)
     return FALSE;