nft: pass ipt_entry to ->save_firewall hook

The extension needs the ipt_entry not to crash. Since cs->fw
actually points to an union that also contains cs->fw6, just
pass cs->fw to make it work.

This fixes:

-A INPUT -p tcp -m multiport --ports 1,2,3,4,6,7,8,9,10,11,12,13,14,15

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2 files changed