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firewall: don't reload if there were no address or data changes

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This fixes packet loss due to reloading firewall every minute with IPv6
implementation of certain ISPs.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39332 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Steven Barth
2014-01-19 17:35:33 +00:00
parent d6d9bd6721
commit 5451bd5963
1 changed files with 1 additions and 0 deletions
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package/network/config/firewall/files/firewall.hotplug
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@@ -1,6 +1,7 @@
#!/bin/sh
[ "$ACTION" = ifup -o "$ACTION" = ifupdate ] || exit 0
[ "$ACTION" = ifupdate -a -z "$IFUPDATE_ADDRESSES" -a -z "$IFUPDATE_DATA" ] && exit 0
/etc/init.d/firewall enabled || exit 0