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Commit 6636568c authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
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[NETFILTER]: Wait for untracked references in nf_conntrack module unload 



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

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a7957563

net/netfilter/nf_conntrack_core.c

+3 −0
Original line number Diff line number Diff line
@@ -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)