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network: prevent unnecessary interface down/up cycles if no mac address change is requested

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16269 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-06-01 18:09:05 +00:00
parent 1cff96ccf0
commit 5d422a4b0e
1 changed files with 3 additions and 2 deletions
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5
package/base-files/files/lib/network/config.sh
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@ -246,9 +246,10 @@ setup_interface() {
# Interface settings
config_get mtu "$config" mtu
config_get macaddr "$config" macaddr
grep "$iface:" /proc/net/dev > /dev/null && \
$DEBUG ifconfig "$iface" down && \
grep "$iface:" /proc/net/dev > /dev/null && {
[ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down
$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
}
set_interface_ifname "$config" "$iface"
pidfile="/var/run/$iface.pid"