From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 23 Dec 2012 16:28:17 +0000 (+0100)
Subject: util: when determining controlling tty of a process properly handle processes without
X-Git-Tag: v197~95
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=11dc5d2b649afaf9f4470ad97929ebe844604f44

util: when determining controlling tty of a process properly handle processes without
---

diff --git a/src/shared/util.c b/src/shared/util.c
index d01c2061b..59d8544d0 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;
 }