commit 8f0613c03d2bb8ab39f6e21ff555026dce503179
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Mon Feb 9 14:26:52 2009 +0100
netfilter: ctnetlink: fix echo if not subscribed to any multicast group
This patch fixes echoing if the socket that has sent the request to
create/update/delete an entry is not subscribed to any multicast
group. With the current code, ctnetlink would not send the echo
message via unicast as nfnetlink_send() would be skip.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 9051bb4..cb78aa0 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -434,7 +434,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
} else
return NOTIFY_DONE;
- if (!nfnetlink_has_listeners(group))
+ if (!item->report && !nfnetlink_has_listeners(group))
return NOTIFY_DONE;
skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
@@ -1502,7 +1502,8 @@ static int ctnetlink_expect_event(struct notifier_block *this,
} else
return NOTIFY_DONE;
- if (!nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
+ if (!item->report &&
+ !nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
return NOTIFY_DONE;
skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
--
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