diff options
Diffstat (limited to 'net/netlink/af_netlink.c')
| -rw-r--r-- | net/netlink/af_netlink.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 0007b8180397..ef5f77b44ec7 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -114,14 +114,14 @@ static atomic_t nl_table_users = ATOMIC_INIT(0); DEFINE_MUTEX(nl_sk_hash_lock); EXPORT_SYMBOL_GPL(nl_sk_hash_lock); -static int lockdep_nl_sk_hash_is_held(void) +#ifdef CONFIG_PROVE_LOCKING +static int lockdep_nl_sk_hash_is_held(void *parent) { -#ifdef CONFIG_LOCKDEP if (debug_locks) return lockdep_is_held(&nl_sk_hash_lock) || lockdep_is_held(&nl_table_lock); -#endif return 1; } +#endif static ATOMIC_NOTIFIER_HEAD(netlink_chain); @@ -142,8 +142,7 @@ int netlink_add_tap(struct netlink_tap *nt) list_add_rcu(&nt->list, &netlink_tap_all); spin_unlock(&netlink_tap_lock); - if (nt->module) - __module_get(nt->module); + __module_get(nt->module); return 0; } @@ -1092,7 +1091,7 @@ static int netlink_insert(struct sock *sk, struct net *net, u32 portid) nlk_sk(sk)->portid = portid; sock_hold(sk); - rhashtable_insert(&table->hash, &nlk_sk(sk)->node, GFP_KERNEL); + rhashtable_insert(&table->hash, &nlk_sk(sk)->node); err = 0; err: mutex_unlock(&nl_sk_hash_lock); @@ -1105,7 +1104,7 @@ static void netlink_remove(struct sock *sk) mutex_lock(&nl_sk_hash_lock); table = &nl_table[sk->sk_protocol]; - if (rhashtable_remove(&table->hash, &nlk_sk(sk)->node, GFP_KERNEL)) { + if (rhashtable_remove(&table->hash, &nlk_sk(sk)->node)) { WARN_ON(atomic_read(&sk->sk_refcnt) == 1); __sock_put(sk); } @@ -2306,7 +2305,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock, } if (netlink_tx_is_mmaped(sk) && - msg->msg_iov->iov_base == NULL) { + msg->msg_iter.iov->iov_base == NULL) { err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group, siocb); goto out; @@ -2326,7 +2325,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock, NETLINK_CB(skb).flags = netlink_skb_flags; err = -EFAULT; - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { kfree_skb(skb); goto out; } @@ -2401,7 +2400,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, } skb_reset_transport_header(data_skb); - err = skb_copy_datagram_iovec(data_skb, 0, msg->msg_iov, copied); + err = skb_copy_datagram_msg(data_skb, 0, msg, copied); if (msg->msg_name) { DECLARE_SOCKADDR(struct sockaddr_nl *, addr, msg->msg_name); @@ -3130,11 +3129,13 @@ static int __init netlink_proto_init(void) .head_offset = offsetof(struct netlink_sock, node), .key_offset = offsetof(struct netlink_sock, portid), .key_len = sizeof(u32), /* portid */ - .hashfn = arch_fast_hash, + .hashfn = jhash, .max_shift = 16, /* 64K */ .grow_decision = rht_grow_above_75, .shrink_decision = rht_shrink_below_30, +#ifdef CONFIG_PROVE_LOCKING .mutex_is_held = lockdep_nl_sk_hash_is_held, +#endif }; if (err != 0) |