From 5caef500a72292767414af5b9cc6cad799009904 Mon Sep 17 00:00:00 2001
From: Collin Kidder <collink@kkmfg.com>
Date: Thu, 5 Jan 2017 18:37:04 -0500
Subject: [PATCH] Fix crash bug when trying to send to a socketcan device that
 wasn't properly opened.

---
 connections/socketcan.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/connections/socketcan.cpp b/connections/socketcan.cpp
index 7402a48..a653c27 100644
--- a/connections/socketcan.cpp
+++ b/connections/socketcan.cpp
@@ -109,6 +109,8 @@ bool SocketCan::piSendFrame(const CANFrame& pFrame)
     if(0 != pFrame.bus || pFrame.len>8)
         return false;
 
+    if (!mDev_p) return false;
+
     /* fill frame */
     QCanBusFrame frame;
     frame.setFrameId(pFrame.ID);