From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 7 Jun 2017 16:48:40 +0000 (+0200)
Subject: device: Return speed only if a valid (positive) value
X-Git-Tag: 009~225
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d2d02da81284fa9a67e829844218b1a86ebccc4;p=network.git

device: Return speed only if a valid (positive) value

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/functions/functions.device b/src/functions/functions.device
index 5500dc87..008891d4 100644
--- a/src/functions/functions.device
+++ b/src/functions/functions.device
@@ -860,7 +860,12 @@ device_get_tx_errors() {
 device_get_speed() {
 	local device=${1}
 
-	__device_get_file ${device} speed
+	local speed=$(__device_get_file ${device} speed)
+
+	# Don't return anything for negative values
+	[ ${speed} -lt 0 ] && return ${EXIT_ERROR}
+
+	print "${speed}"
 }
 
 device_get_duplex() {