batman-adv: protect the local and the global trans-tables with rcu

The local and the global translation-tables are now lock free and rcu
protected.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 05d50ca3c4db..0ce090c9fe86 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -90,9 +90,7 @@ static void update_transtable(struct bat_priv *bat_priv,
                 /* Even if we received the crc into the OGM, we prefer
                  * to recompute it to spot any possible inconsistency
                  * in the global table */
-                spin_lock_bh(&bat_priv->tt_ghash_lock);
                 orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
-                spin_unlock_bh(&bat_priv->tt_ghash_lock);
                 /* Roaming phase is over: tables are in sync again. I can
                  * unset the flag */
                 orig_node->tt_poss_change = false;