From: David Herrmann <dh.herrmann@gmail.com>
Date: Tue, 17 Sep 2013 15:40:01 +0000 (+0200)
Subject: logind: fix session_activate(vtnr = 0)
X-Git-Tag: v208~108
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=9209d5121dfb3049cbf280139c4cc40c2038edcc

logind: fix session_activate(vtnr = 0)

VT numbers start with 1. If a session has vtnr == 0, we must not assume it
is running on a VT.
Note that this could trigger the assert() below as CreateSession() sets
vtnr to 0, not <0.
---

diff --git a/src/login/logind-session.c b/src/login/logind-session.c
index 407429c48..ab1c79cfa 100644
--- a/src/login/logind-session.c
+++ b/src/login/logind-session.c
@@ -363,7 +363,7 @@ int session_activate(Session *s) {
         assert(s);
         assert(s->user);
 
-        if (s->vtnr < 0)
+        if (s->vtnr <= 0)
                 return -ENOTSUP;
 
         if (!s->seat)