Reviewed-by: Peter Müller <peter.mueller(a)ipfire.org>

> It is required to get rid of all ipset based rules before all of
> the loaded ipset lists can be destroyed.
> 
> Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org>
> ---
>  config/firewall/rules.pl | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/config/firewall/rules.pl b/config/firewall/rules.pl
> index 9d280045a..f685d08a7 100644
> --- a/config/firewall/rules.pl
> +++ b/config/firewall/rules.pl
> @@ -186,6 +186,9 @@ sub flush {
>  	run("$IPTABLES -t nat -F $CHAIN_NAT_SOURCE");
>  	run("$IPTABLES -t nat -F $CHAIN_NAT_DESTINATION");
>  	run("$IPTABLES -t mangle -F $CHAIN_MANGLE_NAT_DESTINATION_FIX");
> +
> +	# Flush LOCATIONBLOCK chain.
> +	run("$IPTABLES -F LOCATIONBLOCK");
>  }
>  
>  sub buildrules {
> @@ -638,8 +641,7 @@ sub p2pblock {
>  }
>  
>  sub locationblock {
> -	# Flush iptables chain.
> -	run("$IPTABLES -F LOCATIONBLOCK");
> +	# The LOCATIONBLOCK chain now gets flushed by the flush() function.
>  
>  	# If location blocking is not enabled, we are finished here.
>  	if ($locationsettings{'LOCATIONBLOCK_ENABLED'} ne "on") {