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af_netlink: cleanups
netlink_destroy_callback() move to avoid forward reference CodingStyle cleanups Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -104,27 +104,27 @@ static inline int netlink_is_kernel(struct sock *sk)
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}
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struct nl_pid_hash {
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struct hlist_head *table;
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unsigned long rehash_time;
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struct hlist_head *table;
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unsigned long rehash_time;
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unsigned int mask;
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unsigned int shift;
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unsigned int mask;
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unsigned int shift;
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unsigned int entries;
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unsigned int max_shift;
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unsigned int entries;
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unsigned int max_shift;
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u32 rnd;
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u32 rnd;
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};
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struct netlink_table {
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struct nl_pid_hash hash;
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struct hlist_head mc_list;
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struct listeners __rcu *listeners;
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unsigned int nl_nonroot;
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unsigned int groups;
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struct mutex *cb_mutex;
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struct module *module;
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int registered;
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struct nl_pid_hash hash;
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struct hlist_head mc_list;
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struct listeners __rcu *listeners;
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unsigned int nl_nonroot;
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unsigned int groups;
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struct mutex *cb_mutex;
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struct module *module;
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int registered;
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};
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static struct netlink_table *nl_table;
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@ -132,7 +132,6 @@ static struct netlink_table *nl_table;
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static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait);
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static int netlink_dump(struct sock *sk);
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static void netlink_destroy_callback(struct netlink_callback *cb);
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static DEFINE_RWLOCK(nl_table_lock);
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static atomic_t nl_table_users = ATOMIC_INIT(0);
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@ -149,6 +148,12 @@ static inline struct hlist_head *nl_pid_hashfn(struct nl_pid_hash *hash, u32 pid
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return &hash->table[jhash_1word(pid, hash->rnd) & hash->mask];
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}
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static void netlink_destroy_callback(struct netlink_callback *cb)
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{
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kfree_skb(cb->skb);
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kfree(cb);
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}
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static void netlink_sock_destruct(struct sock *sk)
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{
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struct netlink_sock *nlk = nlk_sk(sk);
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@ -414,9 +419,9 @@ static int __netlink_create(struct net *net, struct socket *sock,
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sock_init_data(sock, sk);
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nlk = nlk_sk(sk);
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if (cb_mutex)
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if (cb_mutex) {
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nlk->cb_mutex = cb_mutex;
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else {
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} else {
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nlk->cb_mutex = &nlk->cb_def_mutex;
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mutex_init(nlk->cb_mutex);
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}
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@ -522,8 +527,9 @@ static int netlink_release(struct socket *sock)
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nl_table[sk->sk_protocol].module = NULL;
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nl_table[sk->sk_protocol].registered = 0;
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}
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} else if (nlk->subscriptions)
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} else if (nlk->subscriptions) {
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netlink_update_listeners(sk);
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}
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netlink_table_ungrab();
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kfree(nlk->groups);
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@ -1086,8 +1092,8 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 pid,
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if (info.delivery_failure) {
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kfree_skb(info.skb2);
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return -ENOBUFS;
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} else
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consume_skb(info.skb2);
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}
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consume_skb(info.skb2);
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if (info.delivered) {
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if (info.congested && (allocation & __GFP_WAIT))
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@ -1240,8 +1246,9 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname,
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nlk->flags |= NETLINK_RECV_NO_ENOBUFS;
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clear_bit(0, &nlk->state);
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wake_up_interruptible(&nlk->wait);
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} else
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} else {
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nlk->flags &= ~NETLINK_RECV_NO_ENOBUFS;
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}
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err = 0;
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break;
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default:
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@ -1645,12 +1652,6 @@ void netlink_set_nonroot(int protocol, unsigned int flags)
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}
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EXPORT_SYMBOL(netlink_set_nonroot);
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static void netlink_destroy_callback(struct netlink_callback *cb)
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{
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kfree_skb(cb->skb);
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kfree(cb);
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}
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struct nlmsghdr *
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__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
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{
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@ -1996,11 +1997,11 @@ static void netlink_seq_stop(struct seq_file *seq, void *v)
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static int netlink_seq_show(struct seq_file *seq, void *v)
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{
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if (v == SEQ_START_TOKEN)
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if (v == SEQ_START_TOKEN) {
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seq_puts(seq,
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"sk Eth Pid Groups "
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"Rmem Wmem Dump Locks Drops Inode\n");
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else {
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} else {
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struct sock *s = v;
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struct netlink_sock *nlk = nlk_sk(s);
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