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authorLennart Poettering <lennart@poettering.net>2012-12-23 17:28:17 +0100
committerLennart Poettering <lennart@poettering.net>2012-12-24 00:29:40 +0100
commit11dc5d2b649afaf9f4470ad97929ebe844604f44 (patch)
treea359ffa2dd25d2d115583ca6eda2773925216f05
parent23406ce58aa7142e8df3c5c9e5ac34a01e90e3e0 (diff)
util: when determining controlling tty of a process properly handle processes without
-rw-r--r--src/shared/util.c3
1 files changed, 3 insertions, 0 deletions
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;
}