From 8c1b0a72bcb6c7ed6bf4fcba8170a8b75d3fed3b Mon Sep 17 00:00:00 2001
From: jgromes <jgromes@users.noreply.github.com>
Date: Fri, 31 May 2019 08:59:35 +0200
Subject: [PATCH] [SX126x] Added missing length check

---
 src/modules/SX126x.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/modules/SX126x.cpp b/src/modules/SX126x.cpp
index f3d1e744..2118f00d 100644
--- a/src/modules/SX126x.cpp
+++ b/src/modules/SX126x.cpp
@@ -343,6 +343,11 @@ int16_t SX126x::startTransmit(uint8_t* data, size_t len, uint8_t addr) {
   // suppress unused variable warning
   (void)addr;
 
+  // check packet length
+  if(len >= 256) {
+    return(ERR_PACKET_TOO_LONG);
+  }
+
   // set packet Length
   int16_t state = ERR_NONE;
   uint8_t modem = getPacketType();