sleep: also log about errno when getenv_bool fails

diff --git a/src/sleep/sleep.c b/src/sleep/sleep.c
index 88fb5ecab29efdfe744eed8e77b3bcb66bf8e2ca..7e5075a63cb9cd454ce094fa76b679e8673b5806 100644 (file)
--- a/src/sleep/sleep.c
+++ b/src/sleep/sleep.c
@@ -603,7 +603,7 @@ static int run(int argc, char *argv[]) {
         /* Freeze the user sessions */
         r = getenv_bool("SYSTEMD_SLEEP_FREEZE_USER_SESSIONS");
         if (r < 0 && r != -ENXIO)
-                log_warning_errno(r, "Cannot parse value of $SYSTEMD_SLEEP_FREEZE_USER_SESSIONS, ignoring.");
+                log_warning_errno(r, "Cannot parse value of $SYSTEMD_SLEEP_FREEZE_USER_SESSIONS, ignoring: %m");
         if (r != 0)
                 (void) unit_freezer_new_freeze(SPECIAL_USER_SLICE, &user_slice_freezer);
         else