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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>
This commit is contained in:
Eric Dumazet 2012-04-22 21:30:21 +00:00 committed by David S. Miller
parent 38ba0a65fa
commit 658cb354ed
1 changed files with 31 additions and 30 deletions
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61
net/netlink/af_netlink.c
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@ -104,27 +104,27 @@ static inline int netlink_is_kernel(struct sock *sk)
}
struct nl_pid_hash {
struct hlist_head *table;
unsigned long rehash_time;
struct hlist_head *table;
unsigned long rehash_time;
unsigned int mask;
unsigned int shift;
unsigned int mask;
unsigned int shift;
unsigned int entries;
unsigned int max_shift;
unsigned int entries;
unsigned int max_shift;
u32 rnd;
u32 rnd;
};
struct netlink_table {
struct nl_pid_hash hash;
struct hlist_head mc_list;
struct listeners __rcu *listeners;
unsigned int nl_nonroot;
unsigned int groups;
struct mutex *cb_mutex;
struct module *module;
int registered;
struct nl_pid_hash hash;
struct hlist_head mc_list;
struct listeners __rcu *listeners;
unsigned int nl_nonroot;
unsigned int groups;
struct mutex *cb_mutex;
struct module *module;
int registered;
};
static struct netlink_table *nl_table;
@ -132,7 +132,6 @@ static struct netlink_table *nl_table;
static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait);
static int netlink_dump(struct sock *sk);
static void netlink_destroy_callback(struct netlink_callback *cb);
static DEFINE_RWLOCK(nl_table_lock);
static atomic_t nl_table_users = ATOMIC_INIT(0);
@ -149,6 +148,12 @@ static inline struct hlist_head *nl_pid_hashfn(struct nl_pid_hash *hash, u32 pid
return &hash->table[jhash_1word(pid, hash->rnd) & hash->mask];
}
static void netlink_destroy_callback(struct netlink_callback *cb)
{
kfree_skb(cb->skb);
kfree(cb);
}
static void netlink_sock_destruct(struct sock *sk)
{
struct netlink_sock *nlk = nlk_sk(sk);
@ -414,9 +419,9 @@ static int __netlink_create(struct net *net, struct socket *sock,
sock_init_data(sock, sk);
nlk = nlk_sk(sk);
if (cb_mutex)
if (cb_mutex) {
nlk->cb_mutex = cb_mutex;
else {
} else {
nlk->cb_mutex = &nlk->cb_def_mutex;
mutex_init(nlk->cb_mutex);
}
@ -522,8 +527,9 @@ static int netlink_release(struct socket *sock)
nl_table[sk->sk_protocol].module = NULL;
nl_table[sk->sk_protocol].registered = 0;
}
} else if (nlk->subscriptions)
} else if (nlk->subscriptions) {
netlink_update_listeners(sk);
}
netlink_table_ungrab();
kfree(nlk->groups);
@ -1086,8 +1092,8 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 pid,
if (info.delivery_failure) {
kfree_skb(info.skb2);
return -ENOBUFS;
} else
consume_skb(info.skb2);
}
consume_skb(info.skb2);
if (info.delivered) {
if (info.congested && (allocation & __GFP_WAIT))
@ -1240,8 +1246,9 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname,
nlk->flags |= NETLINK_RECV_NO_ENOBUFS;
clear_bit(0, &nlk->state);
wake_up_interruptible(&nlk->wait);
} else
} else {
nlk->flags &= ~NETLINK_RECV_NO_ENOBUFS;
}
err = 0;
break;
default:
@ -1645,12 +1652,6 @@ void netlink_set_nonroot(int protocol, unsigned int flags)
}
EXPORT_SYMBOL(netlink_set_nonroot);
static void netlink_destroy_callback(struct netlink_callback *cb)
{
kfree_skb(cb->skb);
kfree(cb);
}
struct nlmsghdr *
__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
{
@ -1996,11 +1997,11 @@ static void netlink_seq_stop(struct seq_file *seq, void *v)
static int netlink_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN)
if (v == SEQ_START_TOKEN) {
seq_puts(seq,
"sk Eth Pid Groups "
"Rmem Wmem Dump Locks Drops Inode\n");
else {
} else {
struct sock *s = v;
struct netlink_sock *nlk = nlk_sk(s);