service/fw example: do not ruin $if[], use different name

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/examples/var_service/fw/run b/examples/var_service/fw/run
index 871a70545437c49897af37a303f662bd3740f6e8..1fd71cc010eeb5f68493789a6a16468b45d25cd7 100755 (executable)
--- a/examples/var_service/fw/run
+++ b/examples/var_service/fw/run
@@ -89,9 +89,9 @@ echo; echo "* Configuring hardware"
 echo; echo "* Resetting address and routing info"
 if $reset_all_netdevs; then
        devs=`sed -n 's/ //g;s/:.*$//p' </proc/net/dev`
-       for if in $devs; do
-               doit ip a f dev "$if"
-               doit ip r f dev "$if" root 0/0
+       for iface in $devs; do
+               doit ip a f dev "$iface"
+               doit ip r f dev "$iface" root 0/0
        done
 else
        doit ip a f dev lo