From b05919ea884fdb6723e1bc8986712e0dc01d378d Mon Sep 17 00:00:00 2001
From: Paul Riseborough <gncsolns@gmail.com>
Date: Sun, 20 Aug 2023 17:29:12 +1000
Subject: [PATCH] AP_NavEKF: Allow EK3_SRCx_POSZ to be set to 0 (NONE)

---
 libraries/AP_NavEKF/AP_NavEKF_Source.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_NavEKF/AP_NavEKF_Source.cpp b/libraries/AP_NavEKF/AP_NavEKF_Source.cpp
index c4992dd0a7..633ee47b34 100644
--- a/libraries/AP_NavEKF/AP_NavEKF_Source.cpp
+++ b/libraries/AP_NavEKF/AP_NavEKF_Source.cpp
@@ -385,6 +385,7 @@ bool AP_NavEKF_Source::pre_arm_check(bool requires_position, char *failure_msg,
                 visualodom_required = true;
                 break;
             case SourceZ::NONE:
+                break;
             default:
                 // invalid posz value
                 hal.util->snprintf(failure_msg, failure_msg_len, "Check EK3_SRC%d_POSZ", (int)i+1);