From 0ab3fc3805282cc733bdf7a5970ec37e3160beee Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Wed, 21 Jan 2015 00:36:32 +0200
Subject: [PATCH] modffi: Support open own executable using open(None).

---
 unix/modffi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/unix/modffi.c b/unix/modffi.c
index fc218caf17..cf5d5eb2e1 100644
--- a/unix/modffi.c
+++ b/unix/modffi.c
@@ -272,7 +272,10 @@ STATIC mp_obj_t ffimod_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_
     (void)n_args;
     (void)n_kw;
 
-    const char *fname = mp_obj_str_get_str(args[0]);
+    const char *fname = NULL;
+    if (args[0] != mp_const_none) {
+        fname = mp_obj_str_get_str(args[0]);
+    }
     void *mod = dlopen(fname, RTLD_NOW | RTLD_LOCAL);
 
     if (mod == NULL) {