netdev - [iproute PATCH 48/51] ifcfg: Quote left-hand side of [ ] expression

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Date:   Sat, 12 Aug 2017 14:05:07 +0200
From:   Phil Sutter <phil@....cc>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: [iproute PATCH 48/51] ifcfg: Quote left-hand side of [ ] expression

This prevents word-splitting and therefore leads to more accurate error
message in case 'grep -c' prints something other than a number.

Signed-off-by: Phil Sutter <phil@....cc>
---
 ip/ifcfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ip/ifcfg b/ip/ifcfg
index 083d9df36742f..30a2dc49816cd 100644
--- a/ip/ifcfg
+++ b/ip/ifcfg
@@ -131,7 +131,7 @@ noarp=$?
 
 ip route add unreachable 224.0.0.0/24 >& /dev/null
 ip route add unreachable 255.255.255.255 >& /dev/null
-if [ `ip link ls $dev | grep -c MULTICAST` -ge 1 ]; then
+if [ "`ip link ls $dev | grep -c MULTICAST`" -ge 1 ]; then
   ip route add 224.0.0.0/4 dev $dev scope global >& /dev/null
 fi
 
-- 
2.13.1