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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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6
net/ipv4/route.c
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@ -324,7 +324,7 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq)
struct rtable *r = NULL;
for (st->bucket = rt_hash_mask; st->bucket >= 0; --st->bucket) {
if (!rcu_dereference_raw(rt_hash_table[st->bucket].chain))
if (!rcu_access_pointer(rt_hash_table[st->bucket].chain))
continue;
rcu_read_lock_bh();
r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
@ -350,7 +350,7 @@ static struct rtable *__rt_cache_get_next(struct seq_file *seq,
do {
if (--st->bucket < 0)
return NULL;
} while (!rcu_dereference_raw(rt_hash_table[st->bucket].chain));
} while (!rcu_access_pointer(rt_hash_table[st->bucket].chain));
rcu_read_lock_bh();
r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
}
@ -762,7 +762,7 @@ static void rt_do_flush(struct net *net, int process_context)
if (process_context && need_resched())
cond_resched();
rth = rcu_dereference_raw(rt_hash_table[i].chain);
rth = rcu_access_pointer(rt_hash_table[i].chain);
if (!rth)
continue;