From 09baac8f25ea62002fd61fb2c56060e2c97b3808 Mon Sep 17 00:00:00 2001
From: "Dr.-Ing. Amilcar Do Carmo Lucas" <amilcar.lucas@iav.de>
Date: Sun, 24 Sep 2017 01:55:02 +0200
Subject: [PATCH] AP_GPS: Preserve the instance number, otherwise it will get
 set to zero

Signed-off-by: Dr.-Ing. Amilcar Do Carmo Lucas <amilcar.lucas@iav.de>
---
 libraries/AP_GPS/AP_GPS.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_GPS/AP_GPS.cpp b/libraries/AP_GPS/AP_GPS.cpp
index cbd93776ff..6b2c24e63c 100644
--- a/libraries/AP_GPS/AP_GPS.cpp
+++ b/libraries/AP_GPS/AP_GPS.cpp
@@ -624,6 +624,7 @@ void AP_GPS::update_instance(uint8_t instance)
             delete drivers[instance];
             drivers[instance] = nullptr;
             memset(&state[instance], 0, sizeof(state[instance]));
+            state[instance].instance = instance;
             state[instance].status = NO_GPS;
             state[instance].hdop = GPS_UNKNOWN_DOP;
             state[instance].vdop = GPS_UNKNOWN_DOP;