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| author | Antonio Quartulli <ordex@autistici.org> | 2011-04-16 11:30:57 +0200 |
|---|---|---|
| committer | Sven Eckelmann <sven@narfation.org> | 2011-05-01 22:49:02 +0200 |
| commit | b5a6f69c5ca024bea43496d517c3b7ccfdb084a6 (patch) | |
| tree | d278ccaaf84525e78eba338c5d4676de467ed0cd /net/batman-adv/routing.c | |
| parent | af20b710479ae662829cf739b521390daa7fcbcb (diff) | |
| download | lwn-b5a6f69c5ca024bea43496d517c3b7ccfdb084a6.tar.gz lwn-b5a6f69c5ca024bea43496d517c3b7ccfdb084a6.zip | |
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>
Diffstat (limited to 'net/batman-adv/routing.c')
| -rw-r--r-- | net/batman-adv/routing.c | 16 |
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: |