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From: Patrick McHardy <kaber@trash.net>
To: David S. Miller <davem@davemloft.net>
Cc: netfilter-devel@lists.netfilter.org, Patrick McHardy <kaber@trash.net>
Subject: [NETFILTER 7/9]: Wait for untracked references in nf_conntrack module unload
Date: Sun, 04 Dec 2005 22:01:24 +0100	[thread overview]
Message-ID: <20051204210124.24032.98517.sendpatchset@localhost.localdomain> (raw)
In-Reply-To: <20051204210116.24032.9802.sendpatchset@localhost.localdomain>

[NETFILTER]: Wait for untracked references in nf_conntrack module unload

Noticed by Pablo Neira <pablo@eurodev.net>.

Signed-off-by: Patrick McHardy <kaber@trash.net>

---
commit 96c75906027f008ed3a4058a606938901e9c6d99
tree 87b8bb22d35f61383fbb5f4ee6164a16cc256bb3
parent aea6c7fa24378c7f38026177c0b524719789b4be
author Patrick McHardy <kaber@trash.net> Sun, 04 Dec 2005 17:22:02 +0100
committer Patrick McHardy <kaber@trash.net> Sun, 04 Dec 2005 17:22:02 +0100

 net/netfilter/nf_conntrack_core.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 1da6783..a99285d 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1383,6 +1383,9 @@ void nf_conntrack_cleanup(void)
 		schedule();
 		goto i_see_dead_people;
 	}
+	/* wait until all references to nf_conntrack_untracked are dropped */
+	while (atomic_read(&nf_conntrack_untracked.ct_general.use) > 1)
+		schedule();
 
 	for (i = 0; i < NF_CT_F_NUM; i++) {
 		if (nf_ct_cache[i].use == 0)

  parent reply	other threads:[~2005-12-04 21:01 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-04 21:01 [NETFILTER 0/9]: Netfilter fixes Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 1/9]: nf_conntrack: Fix missing check for ICMPv6 type Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 2/9]: nfnetlink: Fix calculation of minimum message length Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 3/9]: Fix incorrect argument to ip_nat_initialized() in ctnetlink Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 4/9]: Fix ip_conntrack_flush abuse " Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 5/9]: Fix CTA_PROTO_NUM attribute size " Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 6/9]: Mark ctnetlink as EXPERIMENTAL Patrick McHardy
2005-12-05 10:06   ` Pablo Neira Ayuso
2005-12-05 15:26     ` Patrick McHardy
2005-12-05 21:38       ` David S. Miller
2005-12-04 21:01 ` Patrick McHardy [this message]
2005-12-04 21:01 ` [NETFILTER 8/9]: Fix unbalanced read_unlock_bh in ctnetlink Patrick McHardy
2005-12-04 21:01 ` [NETFILTER 9/9]: Don't use conntrack entry after dropping the reference Patrick McHardy

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