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net: cleanup some rcu_dereference_raw

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RCU api had been completed and rcu_access_pointer() or
rcu_dereference_protected() are better than generic
rcu_dereference_raw()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2011-08-11 19:30:52 +00:00
committed by David S. Miller
parent cd28ca0a3d
commit 33d480ce6d
10 changed files with 22 additions and 23 deletions
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10
net/core/dev.c
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@@ -2673,13 +2673,13 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
map = rcu_dereference(rxqueue->rps_map);
if (map) {
if (map->len == 1 &&
!rcu_dereference_raw(rxqueue->rps_flow_table)) {
!rcu_access_pointer(rxqueue->rps_flow_table)) {
tcpu = map->cpus[0];
if (cpu_online(tcpu))
cpu = tcpu;
goto done;
}
} else if (!rcu_dereference_raw(rxqueue->rps_flow_table)) {
} else if (!rcu_access_pointer(rxqueue->rps_flow_table)) {
goto done;
}
@@ -5727,8 +5727,8 @@ void netdev_run_todo(void)
/* paranoia */
BUG_ON(netdev_refcnt_read(dev));
WARN_ON(rcu_dereference_raw(dev->ip_ptr));
WARN_ON(rcu_dereference_raw(dev->ip6_ptr));
WARN_ON(rcu_access_pointer(dev->ip_ptr));
WARN_ON(rcu_access_pointer(dev->ip6_ptr));
WARN_ON(dev->dn_ptr);
if (dev->destructor)
@@ -5932,7 +5932,7 @@ void free_netdev(struct net_device *dev)
kfree(dev->_rx);
#endif
kfree(rcu_dereference_raw(dev->ingress_queue));
kfree(rcu_dereference_protected(dev->ingress_queue, 1));
/* Flush device addresses */
dev_addr_flush(dev);