From 11dc5d2b649afaf9f4470ad97929ebe844604f44 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 23 Dec 2012 17:28:17 +0100
Subject: util: when determining controlling tty of a process properly handle
 processes without

---
 src/shared/util.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/shared/util.c b/src/shared/util.c
index d01c2061b4..59d8544d05 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2851,6 +2851,9 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
                    &ttynr) != 1)
                 return -EIO;
 
+        if (major(ttynr) == 0 && minor(ttynr) == 0)
+                return -ENOENT;
+
         *d = (dev_t) ttynr;
         return 0;
 }
-- 
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