From 1b63cb6d5cb6b5275271950e697289fd5fa73d7b Mon Sep 17 00:00:00 2001
From: Siddharth Purohit <siddharthbharatpurohit@gmail.com>
Date: Tue, 19 Nov 2019 15:11:37 +0800
Subject: [PATCH] AP_Arming: Primary Compass is always at serial# 0

---
 libraries/AP_Arming/AP_Arming.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_Arming/AP_Arming.cpp b/libraries/AP_Arming/AP_Arming.cpp
index 713e156f31..578571cb34 100644
--- a/libraries/AP_Arming/AP_Arming.cpp
+++ b/libraries/AP_Arming/AP_Arming.cpp
@@ -386,7 +386,7 @@ bool AP_Arming::compass_checks(bool report)
 
         // avoid Compass::use_for_yaw(void) as it implicitly calls healthy() which can
         // incorrectly skip the remaining checks, pass the primary instance directly
-        if (!_compass.use_for_yaw(_compass.get_primary())) {
+        if (!_compass.use_for_yaw(0)) {
             // compass use is disabled
             return true;
         }