From 4592269dd106fafb413a5e7ca70cf2512be3a445 Mon Sep 17 00:00:00 2001
From: Siyuan Miao <i@xswan.net>
Date: Mon, 1 Sep 2025 09:06:03 +0200
Subject: [PATCH] fix: nil check

---
 hidrpc.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hidrpc.go b/hidrpc.go
index 0de564e..74fe687 100644
--- a/hidrpc.go
+++ b/hidrpc.go
@@ -109,6 +109,16 @@ func handleHidRPCKeyboardInput(message hidrpc.Message) (*usbgadget.KeysDownState
 }
 
 func reportHidRPC(params any, session *Session) {
+	if session == nil {
+		logger.Warn().Msg("session is nil, skipping reportHidRPC")
+		return
+	}
+
+	if !session.hidRPCAvailable || session.HidChannel == nil {
+		logger.Warn().Msg("HID RPC is not available, skipping reportHidRPC")
+		return
+	}
+
 	var (
 		message []byte
 		err     error