ipset issues in 2.6.39-rc2

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Hi,

On the current Fedora Rawhide kernel (2.6.39-0.rc2.git0.0.fc16), I am
seeing the following two issues:

1. Attempting to create a -j SET rule with a certain invalid set of
   flags leaks a reference to the specified pool:

	# ipset create foo hash:ip
	# ipset list foo | grep References
	References: 0
	# iptables -A INPUT -j SET --del-set foo src,src,src,src,src,src
	iptables: Numerical result out of range.
	# ipset list foo | grep References
	References: 1
	#

2. --del-set doesn't seem to work (or I don't understand how it's supposed
   to work):

	# ipset create bar hash:ip
	# ipset add bar 127.0.0.1
	# iptables -I INPUT -s 127.0.0.1 -p icmp -j SET --del-set bar src
	# ping -c 1 127.0.0.1
	[...]
	# iptables -L INPUT -v | grep SET
	    2   168 SET        icmp --  *      *       127.0.0.1            0.0.0.0/0           del-set bar src,dst,dst,dst,dst,dst 
	# ipset list bar
	[...]
	Members:
	127.0.0.1
	#


thanks,
Lennert
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