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authorEric Dumazet <eric.dumazet@gmail.com>2010-03-09 20:03:38 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-16 21:23:19 -0700
commit2fb3573dfbca0bd853ddc1e47617eb446fa3deae (patch)
tree790601c538c5b9d1d80bb5f2779c77ebb54354db /net/core/fib_rules.c
parent14bb4789833a2e2610f30e2d3e1451701ac96ec1 (diff)
net: remove rcu locking from fib_rules_event()
We hold RTNL at this point and dont use RCU variants of list traversals, we dont need rcu_read_lock()/rcu_read_unlock() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/fib_rules.c')
-rw-r--r--net/core/fib_rules.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 9a24377146b..2ff34894357 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -108,7 +108,7 @@ fib_rules_register(struct fib_rules_ops *tmpl, struct net *net)
struct fib_rules_ops *ops;
int err;
- ops = kmemdup(tmpl, sizeof (*ops), GFP_KERNEL);
+ ops = kmemdup(tmpl, sizeof(*ops), GFP_KERNEL);
if (ops == NULL)
return ERR_PTR(-ENOMEM);
@@ -123,7 +123,6 @@ fib_rules_register(struct fib_rules_ops *tmpl, struct net *net)
return ops;
}
-
EXPORT_SYMBOL_GPL(fib_rules_register);
void fib_rules_cleanup_ops(struct fib_rules_ops *ops)
@@ -157,7 +156,6 @@ void fib_rules_unregister(struct fib_rules_ops *ops)
call_rcu(&ops->rcu, fib_rules_put_rcu);
}
-
EXPORT_SYMBOL_GPL(fib_rules_unregister);
static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
@@ -220,7 +218,6 @@ out:
return err;
}
-
EXPORT_SYMBOL_GPL(fib_rules_lookup);
static int validate_rulemsg(struct fib_rule_hdr *frh, struct nlattr **tb,
@@ -613,7 +610,7 @@ static int fib_nl_dumprule(struct sk_buff *skb, struct netlink_callback *cb)
break;
cb->args[1] = 0;
- skip:
+skip:
idx++;
}
rcu_read_unlock();
@@ -685,7 +682,6 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event,
struct fib_rules_ops *ops;
ASSERT_RTNL();
- rcu_read_lock();
switch (event) {
case NETDEV_REGISTER:
@@ -699,8 +695,6 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event,
break;
}
- rcu_read_unlock();
-
return NOTIFY_DONE;
}