From e1c4b61fd740020ee420d1cd12531b32eca46e8d Mon Sep 17 00:00:00 2001
From: Jon Beniston <jon@beniston.com>
Date: Fri, 16 Jan 2026 09:58:27 +0000
Subject: [PATCH] AMBE: Don't try to open empty device. #2614

---
 plugins/feature/ambe/ambeworker.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/plugins/feature/ambe/ambeworker.cpp b/plugins/feature/ambe/ambeworker.cpp
index 5c96ce990..8bf43ddca 100644
--- a/plugins/feature/ambe/ambeworker.cpp
+++ b/plugins/feature/ambe/ambeworker.cpp
@@ -50,7 +50,11 @@ AMBEWorker::~AMBEWorker()
 
 bool AMBEWorker::open(const std::string& deviceRef)
 {
-    return m_dvController.open(deviceRef);
+    if (deviceRef.empty()) {
+        return false;
+    } else {
+        return m_dvController.open(deviceRef);
+    }
 }
 
 void AMBEWorker::close()