X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=scripts%2Fipv6-down.sample;h=bf315747cea5c72d6468323efb6b3c401a576197;hp=742bbe53d8069bb7951dd7dc893beb06d51edc6e;hb=9f7c27af1b0b3ca29c673574322b2c23f1184803;hpb=cb81f8465934497ad021639842ce95ab66ec44b8;ds=sidebyside

diff --git a/scripts/ipv6-down.sample b/scripts/ipv6-down.sample
index 742bbe5..bf31574 100644
--- a/scripts/ipv6-down.sample
+++ b/scripts/ipv6-down.sample
@@ -8,24 +8,24 @@
 # Kill the router advertisement daemon on this interface.
 # The killing procedure is copied from RedHat 6.0 initscripts.
 
-DEVICE=$1
+DEVICE="$1"
 
-PIDFILE=/var/run/radvd-$DEVICE.pid
+PIDFILE="/var/run/radvd-$DEVICE.pid"
 
-[ -f $PIDFILE ] || exit 0
+[ -f "$PIDFILE" ] || exit 0
 
-PID=`cat $PIDFILE`
+PID="$(cat "$PIDFILE")"
 if [ "$PID" != "" ]; then
-    if ps h $PID >/dev/null 2>&1; then
-	kill -TERM $PID
+    if ps h "$PID" >/dev/null 2>&1; then
+	kill -TERM "$PID"
 	usleep 10000
-	if ps h $PID >/dev/null 2>&1; then
+	if ps h "$PID" >/dev/null 2>&1; then
 	    sleep 1
-	    if ps h $PID >/dev/null 2>&1; then
-		kill -KILL $PID
+	    if ps h "$PID" >/dev/null 2>&1; then
+		kill -KILL "$PID"
 	    fi
 	fi
     fi
 fi
 
-rm -f $PIDFILE
+rm -f "$PIDFILE"