batman-adv: protect bonding with rcu locks

bonding / alternating candidates need to be secured by rcu locks
as well. This patch therefore converts the bonding list
from a plain pointer list to a rcu securable lists and references
the bonding candidates.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 4687027f1495..00bfeaf9ece3 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -299,6 +299,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
         if (!orig_node)
                 orig_node = transtable_search(bat_priv, ethhdr->h_dest);
 
+        /* find_router() increases neigh_nodes refcount if found. */
         router = find_router(bat_priv, orig_node, NULL);
 
         if (!router)
@@ -306,7 +307,6 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
 
         /* don't lock while sending the packets ... we therefore
                 * copy the required data before sending */
-
         batman_if = router->if_incoming;
         memcpy(dstaddr, router->addr, ETH_ALEN);