logind: consider "greeter" sessions suitable as "display" sessions of a user

Interestingly, elect_display_compare() already ordered "user" sessions
before "greeter" sessions, though nothing other than "user" sessions
where ever considered anyway.

Fixes: #12399

diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index c5d442865cc39ec102c305cc463fe37d181db83e..05c57c1c327ff8c815169a390a49f12eace5796a 100644 (file)
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -663,7 +663,7 @@ static bool elect_display_filter(Session *s) {
         /* Return true if the session is a candidate for the user’s ‘primary session’ or ‘display’. */
         assert(s);
 
-        return s->class == SESSION_USER && s->started && !s->stopping;
+        return IN_SET(s->class, SESSION_USER, SESSION_GREETER) && s->started && !s->stopping;
 }
 
 static int elect_display_compare(Session *s1, Session *s2) {