bus: fix bad memory access in driverd when we get an empty triggers list

diff --git a/src/bus-driverd/bus-driverd.c b/src/bus-driverd/bus-driverd.c
index 8dd3418f01ddbdd5be24f3844144cddfc58290ea..a420e7fe6702ccecaa771346dfd10f8c36cc01eb 100644 (file)
--- a/src/bus-driverd/bus-driverd.c
+++ b/src/bus-driverd/bus-driverd.c
@@ -694,7 +694,7 @@ static int driver_start_service_by_name(sd_bus *bus, sd_bus_message *m, void *us
         if (r < 0)
                 return r;
 
-        if (!t[0] || t[1])
+        if (!t || !t[0] || t[1])
                 return -EIO;
 
         r = sd_bus_call_method(