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-rw-r--r--net/batman-adv/translation-table.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index e4f27a872c9c..c673b58f3ee1 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -149,6 +149,8 @@ static void batadv_tt_orig_list_entry_free_rcu(struct rcu_head *rcu)
static void
batadv_tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry)
{
+ /* to avoid race conditions, immediately decrease the tt counter */
+ atomic_dec(&orig_entry->orig_node->tt_size);
call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu);
}