[MIPS] remove redundant display of free swap space in show_mem()

[linux-2.6-omap-h63xx.git] / net / packet / af_packet.c

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ace29f1c4c5be3ca297a8968e1f61b8072ce2245..25070240d4ae79aa94e23bcde07ef81291849a4a 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -263,7 +263,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,  struct
        if (skb->pkt_type == PACKET_LOOPBACK)
                goto out;
 
-       if (dev->nd_net != sk->sk_net)
+       if (dev_net(dev) != sock_net(sk))
                goto out;
 
        if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -337,7 +337,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
         */
 
        saddr->spkt_device[13] = 0;
-       dev = dev_get_by_name(sk->sk_net, saddr->spkt_device);
+       dev = dev_get_by_name(sock_net(sk), saddr->spkt_device);
        err = -ENODEV;
        if (dev == NULL)
                goto out_unlock;
@@ -451,7 +451,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
        sk = pt->af_packet_priv;
        po = pkt_sk(sk);
 
-       if (dev->nd_net != sk->sk_net)
+       if (dev_net(dev) != sock_net(sk))
                goto drop;
 
        skb->dev = dev;
@@ -568,7 +568,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
        sk = pt->af_packet_priv;
        po = pkt_sk(sk);
 
-       if (dev->nd_net != sk->sk_net)
+       if (dev_net(dev) != sock_net(sk))
                goto drop;
 
        if (dev->header_ops) {
@@ -728,7 +728,7 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock,
        }
 
 
-       dev = dev_get_by_index(sk->sk_net, ifindex);
+       dev = dev_get_by_index(sock_net(sk), ifindex);
        err = -ENXIO;
        if (dev == NULL)
                goto out_unlock;
@@ -800,12 +800,12 @@ static int packet_release(struct socket *sock)
        if (!sk)
                return 0;
 
-       net = sk->sk_net;
+       net = sock_net(sk);
        po = pkt_sk(sk);
 
-       write_lock_bh(&net->packet_sklist_lock);
+       write_lock_bh(&net->packet.sklist_lock);
        sk_del_node_init(sk);
-       write_unlock_bh(&net->packet_sklist_lock);
+       write_unlock_bh(&net->packet.sklist_lock);
 
        /*
         *      Unhook packet receive handler.
@@ -914,7 +914,7 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int add
                return -EINVAL;
        strlcpy(name,uaddr->sa_data,sizeof(name));
 
-       dev = dev_get_by_name(sk->sk_net, name);
+       dev = dev_get_by_name(sock_net(sk), name);
        if (dev) {
                err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
                dev_put(dev);
@@ -941,7 +941,7 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
 
        if (sll->sll_ifindex) {
                err = -ENODEV;
-               dev = dev_get_by_index(sk->sk_net, sll->sll_ifindex);
+               dev = dev_get_by_index(sock_net(sk), sll->sll_ifindex);
                if (dev == NULL)
                        goto out;
        }
@@ -1015,9 +1015,9 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
                po->running = 1;
        }
 
-       write_lock_bh(&net->packet_sklist_lock);
-       sk_add_node(sk, &net->packet_sklist);
-       write_unlock_bh(&net->packet_sklist_lock);
+       write_lock_bh(&net->packet.sklist_lock);
+       sk_add_node(sk, &net->packet.sklist);
+       write_unlock_bh(&net->packet.sklist_lock);
        return(0);
 out:
        return err;
@@ -1135,7 +1135,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
                return -EOPNOTSUPP;
 
        uaddr->sa_family = AF_PACKET;
-       dev = dev_get_by_index(sk->sk_net, pkt_sk(sk)->ifindex);
+       dev = dev_get_by_index(sock_net(sk), pkt_sk(sk)->ifindex);
        if (dev) {
                strlcpy(uaddr->sa_data, dev->name, 15);
                dev_put(dev);
@@ -1160,7 +1160,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
        sll->sll_family = AF_PACKET;
        sll->sll_ifindex = po->ifindex;
        sll->sll_protocol = po->num;
-       dev = dev_get_by_index(sk->sk_net, po->ifindex);
+       dev = dev_get_by_index(sock_net(sk), po->ifindex);
        if (dev) {
                sll->sll_hatype = dev->type;
                sll->sll_halen = dev->addr_len;
@@ -1212,7 +1212,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
        rtnl_lock();
 
        err = -ENODEV;
-       dev = __dev_get_by_index(sk->sk_net, mreq->mr_ifindex);
+       dev = __dev_get_by_index(sock_net(sk), mreq->mr_ifindex);
        if (!dev)
                goto done;
 
@@ -1266,7 +1266,7 @@ static int packet_mc_drop(struct sock *sk, struct packet_mreq_max *mreq)
                        if (--ml->count == 0) {
                                struct net_device *dev;
                                *mlp = ml->next;
-                               dev = dev_get_by_index(sk->sk_net, ml->ifindex);
+                               dev = dev_get_by_index(sock_net(sk), ml->ifindex);
                                if (dev) {
                                        packet_dev_mc(dev, ml, -1);
                                        dev_put(dev);
@@ -1294,7 +1294,7 @@ static void packet_flush_mclist(struct sock *sk)
                struct net_device *dev;
 
                po->mclist = ml->next;
-               if ((dev = dev_get_by_index(sk->sk_net, ml->ifindex)) != NULL) {
+               if ((dev = dev_get_by_index(sock_net(sk), ml->ifindex)) != NULL) {
                        packet_dev_mc(dev, ml, -1);
                        dev_put(dev);
                }
@@ -1450,10 +1450,10 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
        struct sock *sk;
        struct hlist_node *node;
        struct net_device *dev = data;
-       struct net *net = dev->nd_net;
+       struct net *net = dev_net(dev);
 
-       read_lock(&net->packet_sklist_lock);
-       sk_for_each(sk, node, &net->packet_sklist) {
+       read_lock(&net->packet.sklist_lock);
+       sk_for_each(sk, node, &net->packet.sklist) {
                struct packet_sock *po = pkt_sk(sk);
 
                switch (msg) {
@@ -1492,7 +1492,7 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
                        break;
                }
        }
-       read_unlock(&net->packet_sklist_lock);
+       read_unlock(&net->packet.sklist_lock);
        return NOTIFY_DONE;
 }
 
@@ -1540,7 +1540,7 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
                case SIOCGIFDSTADDR:
                case SIOCSIFDSTADDR:
                case SIOCSIFFLAGS:
-                       if (sk->sk_net != &init_net)
+                       if (sock_net(sk) != &init_net)
                                return -ENOIOCTLCMD;
                        return inet_dgram_ops.ioctl(sock, cmd, arg);
 #endif
@@ -1658,7 +1658,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
        int err = 0;
 
        if (req->tp_block_nr) {
-               int i, l;
+               int i;
 
                /* Sanity tests and some calculations */
 
@@ -1687,7 +1687,6 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
                if (unlikely(!pg_vec))
                        goto out;
 
-               l = 0;
                for (i = 0; i < req->tp_block_nr; i++) {
                        char *ptr = pg_vec[i];
                        struct tpacket_hdr *header;
@@ -1862,7 +1861,7 @@ static inline struct sock *packet_seq_idx(struct net *net, loff_t off)
        struct sock *s;
        struct hlist_node *node;
 
-       sk_for_each(s, node, &net->packet_sklist) {
+       sk_for_each(s, node, &net->packet.sklist) {
                if (!off--)
                        return s;
        }
@@ -1870,25 +1869,27 @@ static inline struct sock *packet_seq_idx(struct net *net, loff_t off)
 }
 
 static void *packet_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(seq_file_net(seq)->packet.sklist_lock)
 {
        struct net *net = seq_file_net(seq);
-       read_lock(&net->packet_sklist_lock);
+       read_lock(&net->packet.sklist_lock);
        return *pos ? packet_seq_idx(net, *pos - 1) : SEQ_START_TOKEN;
 }
 
 static void *packet_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-       struct net *net = seq->private;
+       struct net *net = seq_file_net(seq);
        ++*pos;
        return  (v == SEQ_START_TOKEN)
-               ? sk_head(&net->packet_sklist)
+               ? sk_head(&net->packet.sklist)
                : sk_next((struct sock*)v) ;
 }
 
 static void packet_seq_stop(struct seq_file *seq, void *v)
+       __releases(seq_file_net(seq)->packet.sklist_lock)
 {
-       struct net *net = seq->private;
-       read_unlock(&net->packet_sklist_lock);
+       struct net *net = seq_file_net(seq);
+       read_unlock(&net->packet.sklist_lock);
 }
 
 static int packet_seq_show(struct seq_file *seq, void *v)
@@ -1940,8 +1941,8 @@ static const struct file_operations packet_seq_fops = {
 
 static int packet_net_init(struct net *net)
 {
-       rwlock_init(&net->packet_sklist_lock);
-       INIT_HLIST_HEAD(&net->packet_sklist);
+       rwlock_init(&net->packet.sklist_lock);
+       INIT_HLIST_HEAD(&net->packet.sklist);
 
        if (!proc_net_fops_create(net, "packet", 0, &packet_seq_fops))
                return -ENOMEM;