From ebd65400a1ea70c39ff002bb2ad6f26d0438e472 Mon Sep 17 00:00:00 2001
From: Martin Lund <martin.lund@keep-it-simple.com>
Date: Sun, 24 Apr 2016 23:30:19 +0200
Subject: [PATCH] Fix tty device file accessibility test

Fixes ending up in a freeze when a tty device exists but is not
readable.
---
 src/tty.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tty.c b/src/tty.c
index bd5f3f4..007e3d7 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -52,8 +52,8 @@ void wait_for_tty_device(void)
     /* Loop until device pops up */
     while (true)
     {
-        /* Test for device file */
-        if (stat(option.tty_device, &status) == 0)
+        /* Test for accessible device file */
+        if (access(option.tty_device, R_OK) == 0)
             return;
 
         /* Wait up to 1 second */