From a106ed02950b9a90e348c61f0bf8a508082cc537 Mon Sep 17 00:00:00 2001
From: Mike Birtwell <michael.birtwell@gmail.com>
Date: Fri, 18 Feb 2022 10:54:17 +0000
Subject: [PATCH] artiq_flash: don't try to make rtm_binary_dir if binary_dir
 unset (#1851)

Signed-off-by: Michael Birtwell <michael.birtwell@oxionics.com>
---
 artiq/frontend/artiq_flash.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/artiq/frontend/artiq_flash.py b/artiq/frontend/artiq_flash.py
index 12475cf0b..532d1da92 100755
--- a/artiq/frontend/artiq_flash.py
+++ b/artiq/frontend/artiq_flash.py
@@ -347,7 +347,10 @@ def main():
         raise ValueError("the directory containing the binaries need to be specified using -d.")
 
     binary_dir = args.dir
-    rtm_binary_dir = os.path.join(binary_dir, "rtm")
+    if binary_dir is not None:
+        rtm_binary_dir = os.path.join(binary_dir, "rtm")
+    else:
+        rtm_binary_dir = None
 
     if args.host is None:
         client = LocalClient()