From a8a71db25871003fc7fcd06b43cba16d808ad94e Mon Sep 17 00:00:00 2001
From: Michael du Breuil <wicked.shell.scripts@gmail.com>
Date: Mon, 8 Apr 2019 15:56:15 -0700
Subject: [PATCH] AP_HAL_SITL: Correct range check on UART ports

Coverity CID 308362
---
 libraries/AP_HAL_SITL/UARTDriver.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_SITL/UARTDriver.cpp b/libraries/AP_HAL_SITL/UARTDriver.cpp
index af0e09706a..e2aa12e81a 100644
--- a/libraries/AP_HAL_SITL/UARTDriver.cpp
+++ b/libraries/AP_HAL_SITL/UARTDriver.cpp
@@ -51,7 +51,7 @@ bool UARTDriver::_console;
 
 void UARTDriver::begin(uint32_t baud, uint16_t rxSpace, uint16_t txSpace)
 {
-    if (_portNumber > ARRAY_SIZE(_sitlState->_uart_path)) {
+    if (_portNumber >= ARRAY_SIZE(_sitlState->_uart_path)) {
         AP_HAL::panic("port number out of range; you may need to extend _sitlState->_uart_path");
     }