From 66818ee499b10d55f628be4e5d3131eff0f18c8e Mon Sep 17 00:00:00 2001
From: vreusch <viktor.reusch@barkhauseninstitut.org>
Date: Thu, 18 Dec 2025 16:11:23 +0100
Subject: [PATCH] fixup! Added pong

---
 src/l4/pkg/pong/example/main.cc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/l4/pkg/pong/example/main.cc b/src/l4/pkg/pong/example/main.cc
index bdb6b5f8..c562a809 100644
--- a/src/l4/pkg/pong/example/main.cc
+++ b/src/l4/pkg/pong/example/main.cc
@@ -54,15 +54,15 @@ Paddle::connect()
       s << 1UL;
       s << L4::Ipc::Small_buf(pad_cap);
       l4_msgtag_t err = s.call(svr);
-      l4_umword_t fp;
-      s >> fp;
+      L4::Ipc::Snd_fpage fp{l4_utcb_mr()->mr[0], l4_utcb_mr()->mr[1]};
 
-      L4::cout << "FP: " << fp << " err=" << err << "\n";
+      L4::cout << "FP received?: " << fp.cap_received() << " err=" << err
+               << "\n";
 
-      if (!l4_msgtag_has_error(err) && fp != 0)
+      if (!l4_msgtag_has_error(err) && fp.cap_received())
         {
-          L4::cout << "Connected to paddle " << (unsigned)fp << '\n';
-          return pad_cap;
+          L4::cout << "Connected to paddle " << pad_cap << '\n';
+          return 1;
         }
       else
         {