diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-08-11 19:30:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-12 02:55:28 -0700 |
| commit | 33d480ce6d43326e2541fd79b3548858a174ec3c (patch) | |
| tree | c938ee8c07a2e0f33178069b55439a54188f38fa /net/core | |
| parent | cd28ca0a3dd17c68d24b839602a0e6268ad28b5d (diff) | |
| download | lwn-33d480ce6d43326e2541fd79b3548858a174ec3c.tar.gz lwn-33d480ce6d43326e2541fd79b3548858a174ec3c.zip | |
net: cleanup some rcu_dereference_raw
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>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/dev.c | 10 | ||||
| -rw-r--r-- | net/core/fib_rules.c | 2 | ||||
| -rw-r--r-- | net/core/net-sysfs.c | 4 |
3 files changed, 8 insertions, 8 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 9428766d0140..d22ffd722ee3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -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); diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 0657b57df558..67c5c288cd80 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -545,7 +545,7 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule, frh->flags = rule->flags; if (rule->action == FR_ACT_GOTO && - rcu_dereference_raw(rule->ctarget) == NULL) + rcu_access_pointer(rule->ctarget) == NULL) frh->flags |= FIB_RULE_UNRESOLVED; if (rule->iifname[0]) { diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index b1ab887520a8..56e42ab7cbc6 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -712,13 +712,13 @@ static void rx_queue_release(struct kobject *kobj) struct rps_dev_flow_table *flow_table; - map = rcu_dereference_raw(queue->rps_map); + map = rcu_dereference_protected(queue->rps_map, 1); if (map) { RCU_INIT_POINTER(queue->rps_map, NULL); kfree_rcu(map, rcu); } - flow_table = rcu_dereference_raw(queue->rps_flow_table); + flow_table = rcu_dereference_protected(queue->rps_flow_table, 1); if (flow_table) { RCU_INIT_POINTER(queue->rps_flow_table, NULL); call_rcu(&flow_table->rcu, rps_dev_flow_table_release); |