From 1a66b5afd7f3def334978036c7a3d227ab73bbda Mon Sep 17 00:00:00 2001
From: Siddharth Purohit <siddharthbharatpurohit@gmail.com>
Date: Fri, 11 Jun 2021 20:52:35 +0530
Subject: [PATCH] AP_FlashIface: panic if we haven't found a matching flash
 device

---
 libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp b/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp
index 568e154037..3f49effb4b 100644
--- a/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp
+++ b/libraries/AP_FlashIface/AP_FlashIface_JEDEC.cpp
@@ -111,6 +111,10 @@ bool AP_FlashIface_JEDEC::init()
         }
     }
 
+    if (!_dev) {
+        AP_HAL::panic("Ext Flash Not Found!");
+    }
+
     DELAY_MILLIS(5); // required by w25q
     // Reset Device involves trying to soft reset the chip
     // as when system reboots the device might not have.