From 3f8e2bb5c3caf954fe436dc84464d4c0fc530081 Mon Sep 17 00:00:00 2001
From: Andre Hartmann <aha_1980@gmx.de>
Date: Sat, 2 Sep 2017 09:47:26 +0200
Subject: [PATCH] SocketCan: Allow receiving CAN frames with empty data field

A CAN frame with data size zero is absolutely legal.
---
 connections/socketcan.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/connections/socketcan.cpp b/connections/socketcan.cpp
index 941d8cf..6eff7cd 100644
--- a/connections/socketcan.cpp
+++ b/connections/socketcan.cpp
@@ -181,9 +181,7 @@ void SocketCan::framesReceived()
             continue;
 
         /* check frame */
-        if( !recFrame.payload().isEmpty() &&
-            recFrame.payload().length()<=8 )
-        {
+        if (recFrame.payload().length() <= 8) {
             CANFrame* frame_p = getQueue().get();
             if(frame_p) {
                 frame_p->len           = static_cast<uint32_t>(recFrame.payload().length());