logind: make session_prepare_vt() static

portabled: allow to detach an image with a unit in linked-runtime state

src/login/logind-session.c

@@ -1183,7 +1183,7 @@ static int session_open_vt(Session *s) {
         return s->vtfd;
 }
 
-int session_prepare_vt(Session *s) {
+static int session_prepare_vt(Session *s) {
         int vt, r;
         struct vt_mode mode = {};
 

src/login/logind-session.h

@@ -161,7 +161,6 @@ KillWho kill_who_from_string(const char *s) _pure_;
 const char* tty_validity_to_string(TTYValidity t) _const_;
 TTYValidity tty_validity_from_string(const char *s) _pure_;
 
-int session_prepare_vt(Session *s);
 void session_leave_vt(Session *s);
 
 bool session_is_controller(Session *s, const char *sender);

src/portable/portable.c

@@ -1187,7 +1187,7 @@ int portable_detach(
                 r = unit_file_lookup_state(UNIT_FILE_SYSTEM, &paths, de->d_name, &state);
                 if (r < 0)
                         return log_debug_errno(r, "Failed to determine unit file state of '%s': %m", de->d_name);
-                if (!IN_SET(state, UNIT_FILE_STATIC, UNIT_FILE_DISABLED, UNIT_FILE_LINKED, UNIT_FILE_RUNTIME))
+                if (!IN_SET(state, UNIT_FILE_STATIC, UNIT_FILE_DISABLED, UNIT_FILE_LINKED, UNIT_FILE_RUNTIME, UNIT_FILE_LINKED_RUNTIME))
                         return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "Unit file '%s' is in state '%s', can't detach.", de->d_name, unit_file_state_to_string(state));
 
                 r = unit_file_is_active(bus, de->d_name, error);