From 397f6500878ff3275a360a7d1a59538d4a27117a Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Wed, 10 May 2017 16:28:30 +0200
Subject: [PATCH] screen: don't stat("")

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
 src/screen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/screen.c b/screen.c
index 8f50d76..bb2711f 100644
--- a/screen.c
+++ b/screen.c
@@ -44,6 +44,7 @@
 #endif
 #include <ctype.h>
 #include <stdbool.h>
+#include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 
@@ -3393,7 +3394,7 @@ void SetTtyname(bool fatal, struct stat *st)
 		}
 	}
 
-	if (attach_tty) {
+	if (attach_tty && strcmp(attach_tty, "")) {
 		if (stat(attach_tty, st))
 			Panic(errno, "Cannot access '%s'", attach_tty);
 
-- 
2.11.0