manager: fix taint check for /usr

TODO

@@ -27,10 +27,10 @@ F15:
 
 * LOG_DAEMON/LOG_USER für kmsg messages schreiben
 
-* fix /usr taint
-
 * disable /dev/console status messages after plymouth went down
 
+* quotacheck pulled in too often
+
 Features:
 
 * when key file cannot be found, read it from kbd in cryptsetup

src/dbus-manager.c

@@ -223,7 +223,7 @@ static int bus_manager_append_tainted(Manager *m, DBusMessageIter *i, const char
         assert(i);
         assert(property);
 
-        if (dir_is_empty("/usr") > 0)
+        if (m->taint_usr)
                 e = stpcpy(e, "usr-separate-fs");
 
         if (readlink_malloc("/etc/mtab", &p) < 0) {

src/manager.c

@@ -278,6 +278,8 @@ int manager_new(ManagerRunningAs running_as, Manager **_m) {
                 log_error("Failed to connect to audit log: %m");
 #endif
 
+        m->taint_usr = dir_is_empty("/usr") > 0;
+
         *_m = m;
         return 0;
 

src/manager.h

@@ -211,6 +211,8 @@ struct Manager {
         bool dispatching_run_queue:1;
         bool dispatching_dbus_queue:1;
 
+        bool taint_usr:1;
+
         bool show_status;
         bool confirm_spawn;
 #ifdef HAVE_SYSV_COMPAT