libata: pata_platform: make probe and remove functions device type neutral

[linux-2.6] / net / packet / af_packet.c

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c5244b3096403e510f49a24d087eb9fed49d0dbb..8a7807dbba012bdc03b0b49a8a1f35a02e9ee288 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -139,9 +139,6 @@ dev->hard_header == NULL (ll header is added by device, we cannot control it)
 static HLIST_HEAD(packet_sklist);
 static DEFINE_RWLOCK(packet_sklist_lock);
 
-static atomic_t packet_socks_nr;
-
-
 /* Private packet socket structures. */
 
 struct packet_mclist
@@ -236,10 +233,7 @@ static void packet_sock_destruct(struct sock *sk)
                return;
        }
 
-       atomic_dec(&packet_socks_nr);
-#ifdef PACKET_REFCNT_DEBUG
-       printk(KERN_DEBUG "PACKET socket %p is free, %d are alive\n", sk, atomic_read(&packet_socks_nr));
-#endif
+       sk_refcnt_debug_dec(sk);
 }
 
 
@@ -389,7 +383,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
        skb_reset_network_header(skb);
 
        /* Try to align data part correctly */
-       if (dev->hard_header) {
+       if (dev->header_ops) {
                skb->data -= dev->hard_header_len;
                skb->tail -= dev->hard_header_len;
                if (len < dev->hard_header_len)
@@ -466,7 +460,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
 
        skb->dev = dev;
 
-       if (dev->hard_header) {
+       if (dev->header_ops) {
                /* The device has an explicit notion of ll header,
                   exported to higher levels.
 
@@ -515,14 +509,12 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
        sll->sll_hatype = dev->type;
        sll->sll_protocol = skb->protocol;
        sll->sll_pkttype = skb->pkt_type;
-       if (unlikely(po->origdev) && skb->pkt_type == PACKET_HOST)
+       if (unlikely(po->origdev))
                sll->sll_ifindex = orig_dev->ifindex;
        else
                sll->sll_ifindex = dev->ifindex;
-       sll->sll_halen = 0;
 
-       if (dev->hard_header_parse)
-               sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr);
+       sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
 
        PACKET_SKB_CB(skb)->origlen = skb->len;
 
@@ -583,7 +575,7 @@ 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->hard_header) {
+       if (dev->header_ops) {
                if (sk->sk_type != SOCK_DGRAM)
                        skb_push(skb, skb->data - skb_mac_header(skb));
                else if (skb->pkt_type == PACKET_OUTGOING) {
@@ -658,14 +650,12 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
        h->tp_usec = tv.tv_usec;
 
        sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h)));
-       sll->sll_halen = 0;
-       if (dev->hard_header_parse)
-               sll->sll_halen = dev->hard_header_parse(skb, sll->sll_addr);
+       sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
        sll->sll_family = AF_PACKET;
        sll->sll_hatype = dev->type;
        sll->sll_protocol = skb->protocol;
        sll->sll_pkttype = skb->pkt_type;
-       if (unlikely(po->origdev) && skb->pkt_type == PACKET_HOST)
+       if (unlikely(po->origdev))
                sll->sll_ifindex = orig_dev->ifindex;
        else
                sll->sll_ifindex = dev->ifindex;
@@ -853,6 +843,7 @@ static int packet_release(struct socket *sock)
        /* Purge queues */
 
        skb_queue_purge(&sk->sk_receive_queue);
+       sk_refcnt_debug_release(sk);
 
        sock_put(sk);
        return 0;
@@ -890,20 +881,14 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
        if (protocol == 0)
                goto out_unlock;
 
-       if (dev) {
-               if (dev->flags&IFF_UP) {
-                       dev_add_pack(&po->prot_hook);
-                       sock_hold(sk);
-                       po->running = 1;
-               } else {
-                       sk->sk_err = ENETDOWN;
-                       if (!sock_flag(sk, SOCK_DEAD))
-                               sk->sk_error_report(sk);
-               }
-       } else {
+       if (!dev || (dev->flags & IFF_UP)) {
                dev_add_pack(&po->prot_hook);
                sock_hold(sk);
                po->running = 1;
+       } else {
+               sk->sk_err = ENETDOWN;
+               if (!sock_flag(sk, SOCK_DEAD))
+                       sk->sk_error_report(sk);
        }
 
 out_unlock:
@@ -999,7 +984,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
        sock->state = SS_UNCONNECTED;
 
        err = -ENOBUFS;
-       sk = sk_alloc(net, PF_PACKET, GFP_KERNEL, &packet_proto, 1);
+       sk = sk_alloc(net, PF_PACKET, GFP_KERNEL, &packet_proto);
        if (sk == NULL)
                goto out;
 
@@ -1014,7 +999,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
        po->num = proto;
 
        sk->sk_destruct = packet_sock_destruct;
-       atomic_inc(&packet_socks_nr);
+       sk_refcnt_debug_inc(sk);
 
        /*
         *      Attach a protocol block
@@ -1627,11 +1612,6 @@ static struct vm_operations_struct packet_mmap_ops = {
        .close =packet_mm_close,
 };
 
-static inline struct page *pg_vec_endpage(char *one_pg_vec, unsigned int order)
-{
-       return virt_to_page(one_pg_vec + (PAGE_SIZE << order) - 1);
-}
-
 static void free_pg_vec(char **pg_vec, unsigned int order, unsigned int len)
 {
        int i;