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Commit 40d4e3df authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

af_packet: style cleanups 



Some style cleanups to match current code practices.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c9a73cdb

net/packet/af_packet.c

+122 −124
Original line number Diff line number Diff line
@@ -137,8 +137,7 @@ dev->hard_header == NULL (ll header is added by device, we cannot control it) 


/* Private packet socket structures. */



struct packet_mclist

{

struct packet_mclist {

	struct packet_mclist	*next;

	int			ifindex;

	int			count;
@@ -149,8 +148,7 @@ struct packet_mclist 
/* identical to struct packet_mreq except it has

 * a longer address field.

 */

struct packet_mreq_max

{

struct packet_mreq_max {

	int		mr_ifindex;

	unsigned short	mr_type;

	unsigned short	mr_alen;
@@ -239,7 +237,7 @@ static void __packet_set_status(struct packet_sock *po, void *frame, int status) 
		flush_dcache_page(virt_to_page(&h.h2->tp_status));

		break;

	default:

		printk(KERN_ERR "TPACKET version not supported\n");

		pr_err("TPACKET version not supported\n");

		BUG();

	}
@@ -265,7 +263,7 @@ static int __packet_get_status(struct packet_sock *po, void *frame) 
		flush_dcache_page(virt_to_page(&h.h2->tp_status));

		return h.h2->tp_status;

	default:

		printk(KERN_ERR "TPACKET version not supported\n");

		pr_err("TPACKET version not supported\n");

		BUG();

		return 0;

	}
@@ -327,7 +325,7 @@ static void packet_sock_destruct(struct sock *sk) 
	WARN_ON(atomic_read(&sk->sk_wmem_alloc));



	if (!sock_flag(sk, SOCK_DEAD)) {

		printk("Attempt to release alive packet socket: %p\n", sk);

		pr_err("Attempt to release alive packet socket: %p\n", sk);

		return;

	}
@@ -339,7 +337,8 @@ static const struct proto_ops packet_ops; 


static const struct proto_ops packet_ops_spkt;



static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,  struct packet_type *pt, struct net_device *orig_dev)

static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,

			   struct packet_type *pt, struct net_device *orig_dev)

{

	struct sock *sk;

	struct sockaddr_pkt *spkt;
@@ -368,7 +367,8 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct 
	if (dev_net(dev) != sock_net(sk))

		goto out;



	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)

	skb = skb_share_check(skb, GFP_ATOMIC);

	if (skb == NULL)

		goto oom;



	/* drop any routing info */
@@ -423,15 +423,13 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, 
	 *	Get and verify the address.

	 */



	if (saddr)

	{

	if (saddr) {

		if (msg->msg_namelen < sizeof(struct sockaddr))

			return(-EINVAL);

			return -EINVAL;

		if (msg->msg_namelen == sizeof(struct sockaddr_pkt))

			proto = saddr->spkt_protocol;

	}

	else

		return(-ENOTCONN);	/* SOCK_PACKET must be sent giving an address */

	} else

		return -ENOTCONN;	/* SOCK_PACKET must be sent giving an address */



	/*

	 *	Find the device first to size check it
@@ -460,9 +458,9 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, 
	skb = sock_wmalloc(sk, len + LL_RESERVED_SPACE(dev), 0, GFP_KERNEL);



	/*

	 *	If the write buffer is full, then tough. At this level the user gets to

	 *	deal with the problem - do your own algorithmic backoffs. That's far

	 *	more flexible.

	 * If the write buffer is full, then tough. At this level the user

	 * gets to deal with the problem - do your own algorithmic backoffs.

	 * That's far more flexible.

	 */



	if (skb == NULL)
@@ -501,7 +499,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock, 


	dev_queue_xmit(skb);

	dev_put(dev);

	return(len);

	return len;



out_free:

	kfree_skb(skb);
@@ -537,7 +535,8 @@ static inline unsigned int run_filter(struct sk_buff *skb, struct sock *sk, 
   we will not harm anyone.

 */



static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)

static int packet_rcv(struct sk_buff *skb, struct net_device *dev,

		      struct packet_type *pt, struct net_device *orig_dev)

{

	struct sock *sk;

	struct sockaddr_ll *sll;
@@ -648,7 +647,8 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet 
}



#ifdef CONFIG_PACKET_MMAP

static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)

static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,

		       struct packet_type *pt, struct net_device *orig_dev)

{

	struct sock *sk;

	struct packet_sock *po;
@@ -867,8 +867,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb, 
		break;

	}

	if (unlikely(tp_len > size_max)) {

		printk(KERN_ERR "packet size is too long (%d > %d)\n",

				tp_len, size_max);

		pr_err("packet size is too long (%d > %d)\n", tp_len, size_max);

		return -EMSGSIZE;

	}
@@ -886,9 +885,8 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb, 
	} else if (dev->hard_header_len) {

		/* net device doesn't like empty head */

		if (unlikely(tp_len <= dev->hard_header_len)) {

			printk(KERN_ERR "packet size is too short "

					"(%d < %d)\n", tp_len,

					dev->hard_header_len);

			pr_err("packet size is too short (%d < %d)\n",

			       tp_len, dev->hard_header_len);

			return -EINVAL;

		}
@@ -917,8 +915,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff * skb, 
		nr_frags = skb_shinfo(skb)->nr_frags;



		if (unlikely(nr_frags >= MAX_SKB_FRAGS)) {

			printk(KERN_ERR "Packet exceed the number "

					"of skb frags(%lu)\n",

			pr_err("Packet exceed the number of skb frags(%lu)\n",

			       MAX_SKB_FRAGS);

			return -EFAULT;

		}
@@ -1038,8 +1035,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) 
			goto out_xmit;

		packet_increment_head(&po->tx_ring);

		len_sum += tp_len;

	}

	while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))

	} while (likely((ph != NULL) || ((!(msg->msg_flags & MSG_DONTWAIT))

					&& (atomic_read(&po->tx_ring.pending))))

	      );
@@ -1140,7 +1136,7 @@ static int packet_snd(struct socket *sock, 


	dev_put(dev);



	return(len);

	return len;



out_free:

	kfree_skb(skb);
@@ -1283,7 +1279,8 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc 
 *	Bind a packet socket to a device

 */



static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr, int addr_len)

static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,

			    int addr_len)

{

	struct sock *sk = sock->sk;

	char name[15];
@@ -1404,7 +1401,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol) 
	sk_add_node(sk, &net->packet.sklist);

	sock_prot_inuse_add(net, &packet_proto, 1);

	write_unlock_bh(&net->packet.sklist_lock);

	return(0);

	return 0;

out:

	return err;

}
@@ -1469,8 +1466,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, 
	 */



	copied = skb->len;

	if (copied > len)

	{

	if (copied > len) {

		copied = len;

		msg->msg_flags |= MSG_TRUNC;

	}
@@ -1584,7 +1580,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i, 
		else

			return dev_unicast_delete(dev, i->addr);

		break;

	default:;

	default:

		break;

	}

	return 0;

}
@@ -1693,7 +1690,8 @@ static void packet_flush_mclist(struct sock *sk) 
		struct net_device *dev;



		po->mclist = ml->next;

		if ((dev = dev_get_by_index(sock_net(sk), ml->ifindex)) != NULL) {

		dev = dev_get_by_index(sock_net(sk), ml->ifindex);

		if (dev != NULL) {

			packet_dev_mc(dev, ml, -1);

			dev_put(dev);

		}
@@ -2239,7 +2237,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, 
		skb_queue_purge(rb_queue);

#undef XC

		if (atomic_read(&po->mapped))

			printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n",

			pr_err("packet_mmap: vma is busy: %d\n",

			       atomic_read(&po->mapped));

	}

	mutex_unlock(&po->pg_vec_lock);