batman-adv: protect each hash row with rcu locks
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 1b5e761..4687027 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -179,9 +179,11 @@
*new_skb = NULL;
spin_lock_bh(&bat_priv->orig_hash_lock);
+ rcu_read_lock();
orig_node = ((struct orig_node *)
hash_find(bat_priv->orig_hash, compare_orig, choose_orig,
unicast_packet->orig));
+ rcu_read_unlock();
if (!orig_node) {
pr_debug("couldn't find originator in orig_hash\n");