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authorAntonio Quartulli <ordex@autistici.org>2011-04-16 11:30:57 +0200
committerSven Eckelmann <sven@narfation.org>2011-05-01 22:49:02 +0200
commitb5a6f69c5ca024bea43496d517c3b7ccfdb084a6 (patch)
treed278ccaaf84525e78eba338c5d4676de467ed0cd
parentaf20b710479ae662829cf739b521390daa7fcbcb (diff)
batman-adv: orig_hash_find() manages rcu_lock/unlock internally
orig_hash_find() manages rcu_lock/unlock internally and doesn't need to be surrounded by rcu_read_lock() / rcu_read_unlock() anymore Signed-off-by: Antonio Quartulli <ordex@autistici.org> Acked-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Sven Eckelmann <sven@narfation.org>
-rw-r--r--net/batman-adv/routing.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index f6c642246972..2d77bd3a3e9a 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -1310,13 +1310,10 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
/* get routing information */
- rcu_read_lock();
orig_node = orig_hash_find(bat_priv, unicast_packet->dest);
if (!orig_node)
- goto unlock;
-
- rcu_read_unlock();
+ goto out;
/* find_router() increases neigh_nodes refcount if found. */
neigh_node = find_router(bat_priv, orig_node, recv_if);
@@ -1362,10 +1359,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
/* route it */
send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = NET_RX_SUCCESS;
- goto out;
-unlock:
- rcu_read_unlock();
out:
if (neigh_node)
neigh_node_free_ref(neigh_node);
@@ -1464,13 +1458,10 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (bcast_packet->ttl < 2)
goto out;
- rcu_read_lock();
orig_node = orig_hash_find(bat_priv, bcast_packet->orig);
if (!orig_node)
- goto rcu_unlock;
-
- rcu_read_unlock();
+ goto out;
spin_lock_bh(&orig_node->bcast_seqno_lock);
@@ -1501,9 +1492,6 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
ret = NET_RX_SUCCESS;
goto out;
-rcu_unlock:
- rcu_read_unlock();
- goto out;
spin_unlock:
spin_unlock_bh(&orig_node->bcast_seqno_lock);
out:

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