also check data is non-null on auth checks

diff --git a/src/auth/UserRequest.cc b/src/auth/UserRequest.cc
index 63525d4185991199bb74aa35a8feb6e4b62c0171..c514ca54ebcf593be2c4e8c0bf1d333fd88579e6 100644 (file)
--- a/src/auth/UserRequest.cc
+++ b/src/auth/UserRequest.cc
@@ -69,6 +69,7 @@ void
 AuthUserRequest::start(RH * handler, void *data)
 {
     assert(handler);
+    assert(data);
     debugs(29, 9, "authenticateStart: auth_user_request '" << this << "'");
     module_start(handler, data);
 }