providers:checkbox: Remove "bashism" in wireless_ext script

Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772294 

1 files changed, 2 insertions, 3 deletions

diff --git a/bin/wireless_ext b/bin/wireless_ext
index 1d92bc05..3bfaf43f 100755
--- a/bin/wireless_ext
+++ b/bin/wireless_ext
@@ -1,15 +1,14 @@
 #!/bin/sh
 
-if lsmod | grep "80211" &> /dev/null ; 
+if lsmod | grep -q "80211"
 then
 echo "Driver is using MAC80211"
-if iwconfig 2>&1 | grep "IEEE 802.11" &> /dev/null ; 
+if iwconfig 2>&1 | grep -q "IEEE 802.11"
 then
 echo "Driver has loaded wireless extension"
 exit 0
 else
 echo "No wireless module loaded"
 exit 1
-
 fi
 fi