Fix network-bridge shell quoting.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
xen-unstable changeset:   16702:850ec55df0dc9f831091155012bba0c613759470
xen-unstable date:        Thu Jan 10 15:30:46 2008 +0000

diff --git a/tools/examples/network-bridge b/tools/examples/network-bridge
index ba8e86d8ba608c15120ffd5ec5034bf78eca7dbe..5709866866aefbebea932a7c089ecdb5b3b9aadd 100755 (executable)
--- a/tools/examples/network-bridge
+++ b/tools/examples/network-bridge
@@ -76,12 +76,12 @@ get_ip_info() {
     
 do_ifup() {
     if ! ifup $1 ; then
-        if [ ${addr_pfx} ] ; then
+        if [ -n "$addr_pfx" ] ; then
             # use the info from get_ip_info()
             ip addr flush $1
             ip addr add ${addr_pfx} dev $1
             ip link set dev $1 up
-            [ ${gateway} ] && ip route add default via ${gateway}
+            [ -n "$gateway" ] && ip route add default via ${gateway}
         fi
     fi
 }