From 7f2b09a3b4da8b7c972d53873baccba423c04884 Mon Sep 17 00:00:00 2001
From: Chris Gianelloni <wolf31o2@blinklabs.io>
Date: Wed, 15 Oct 2025 12:54:09 -0400
Subject: [PATCH] fix(protocol): return error on nil leios-notify request next

Signed-off-by: Chris Gianelloni <wolf31o2@blinklabs.io>
---
 protocol/leiosnotify/server.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/protocol/leiosnotify/server.go b/protocol/leiosnotify/server.go
index f52c0cf4..ebca8ede 100644
--- a/protocol/leiosnotify/server.go
+++ b/protocol/leiosnotify/server.go
@@ -95,6 +95,11 @@ func (s *Server) handleRequestNext() error {
 	if err != nil {
 		return err
 	}
+	if resp == nil {
+		return errors.New(
+			"received leios-notify NotificationRequestNext message but callback returned nil",
+		)
+	}
 	if err := s.SendMessage(resp); err != nil {
 		return err
 	}