scripts: fix wrong usage of '==' operator
[openwrt.git] / target / linux / brcm47xx / base-files / lib / preinit / 15_set_preinit_interface_brcm
1 #!/bin/sh
2
3 preinit_ip() {
4         # if the preinit interface isn't specified and ifname is set in
5         # preinit.arch use that interface
6         if [ -z "$pi_ifname" ]; then
7                 pi_ifname=$ifname
8         fi
9
10         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
11                 ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
12
13                 local try=0;
14                 while [ $((try++)) -le 5 ] && [ ! "$(cat /sys/class/net/$pi_ifname/operstate)" = "up" ]; do sleep 1; done
15         }
16 }