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-rw-r--r--net/netfilter/nf_conntrack_core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 1da678303d78..a7c7b490cf22 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)