From 153d66980c45a69398e0d6ef5f7736c5c1e3490c Mon Sep 17 00:00:00 2001
From: Andre Hartmann <aha_1980@gmx.de>
Date: Sun, 1 Mar 2020 16:37:48 +0100
Subject: SocketCAN: Virtual CAN devices don't have bus status

At least libsocketcan does not provide a bus status
for those. This patch prevents that CAN Example
requests the status every two seconds.

[ChangeLog][SocketCAN] QCanBusDevice::hasBusStatus()
now returns false for virtual CAN devices.

Change-Id: I214dfb320c999bb00c8ae93ddc9253efbe721969
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
---
 src/plugins/canbus/socketcan/socketcanbackend.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/plugins/canbus/socketcan/socketcanbackend.cpp b/src/plugins/canbus/socketcan/socketcanbackend.cpp
index d91c4fc..572fef8 100644
--- a/src/plugins/canbus/socketcan/socketcanbackend.cpp
+++ b/src/plugins/canbus/socketcan/socketcanbackend.cpp
@@ -752,6 +752,9 @@ void SocketCanBackend::resetController()
 
 bool SocketCanBackend::hasBusStatus() const
 {
+    if (isVirtual(canSocketName.toLatin1()))
+        return false;
+
     return libSocketCan->hasBusStatus();
 }
 
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