From 25934672229be6be7988c303279bf9ee9d77c256 Mon Sep 17 00:00:00 2001
From: hexenmeister <hexenmeister@users.noreply.github.com>
Date: Wed, 6 May 2015 20:27:47 +0000
Subject: [PATCH] fix: hide warnings

git-svn-id: https://svn.fhem.de/fhem/trunk@8537 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/42_SYSMON.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/42_SYSMON.pm b/fhem/FHEM/42_SYSMON.pm
index 7377ccf4a..811d393ee 100644
--- a/fhem/FHEM/42_SYSMON.pm
+++ b/fhem/FHEM/42_SYSMON.pm
@@ -2693,7 +2693,7 @@ sub SYSMON_getNetworkInfo ($$$) {
         $map->{$nName.DIFF_SUFFIX} = $out_txt_diff;
       }
       
-      my $speed = SYSMON_execute($hash, "[ -f /sys/class/net/$nName/speed ] && cat /sys/class/net/$nName/speed || echo not available");
+      my $speed = SYSMON_execute($hash, "[ -f /sys/class/net/$nName/speed ] && cat /sys/class/net/$nName/speed 2>/dev/null || echo not available");
       if(defined($speed)) {
       	 $map->{$nName.SPEED_SUFFIX} = $speed;
       }