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| author | Patrick McHardy <kaber@trash.net> | 2005-12-05 21:36:50 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-12-05 21:36:50 (GMT) |
| commit | 6636568cf85ef5898a892e90fcc88b61cca9ca27 (patch) | |
| tree | 5e2be9dbd35853c55198a64c3261ab3bfe15e804 | |
| parent | a79575633300adb5d3f1bd856cc518c45fefcb86 (diff) | |
| download | linux-6636568cf85ef5898a892e90fcc88b61cca9ca27.tar.xz | |
[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>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | 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..a7c7b49 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) |