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authorAl Viro <viro@zeniv.linux.org.uk>2006-11-08 00:26:29 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:21:24 -0800
commit0e11c91e1e912bc4db5b71607d149e7e9a77e756 (patch)
treeb04a580d0dd0598a8188ed6f67673ee5e20e02a0 /net/packet
parent3fbd418acc264e7069483d04165633ed3bfad80c (diff)
[AF_PACKET]: annotate
Weirdness: the third argument of socket() is net-endian here. Oh, well - it's documented in packet(7). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
-rw-r--r--net/packet/af_packet.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f4ccb90e673..271d2eed069 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -201,7 +201,7 @@ struct packet_sock {
spinlock_t bind_lock;
char running; /* prot_hook is attached*/
int ifindex; /* bound device */
- unsigned short num;
+ __be16 num;
#ifdef CONFIG_PACKET_MULTICAST
struct packet_mclist *mclist;
#endif
@@ -331,7 +331,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
struct sockaddr_pkt *saddr=(struct sockaddr_pkt *)msg->msg_name;
struct sk_buff *skb;
struct net_device *dev;
- unsigned short proto=0;
+ __be16 proto=0;
int err;
/*
@@ -704,7 +704,7 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock,
struct sockaddr_ll *saddr=(struct sockaddr_ll *)msg->msg_name;
struct sk_buff *skb;
struct net_device *dev;
- unsigned short proto;
+ __be16 proto;
unsigned char *addr;
int ifindex, err, reserve = 0;
@@ -858,7 +858,7 @@ static int packet_release(struct socket *sock)
* Attach a packet hook.
*/
-static int packet_do_bind(struct sock *sk, struct net_device *dev, int protocol)
+static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protocol)
{
struct packet_sock *po = pkt_sk(sk);
/*
@@ -983,6 +983,7 @@ static int packet_create(struct socket *sock, int protocol)
{
struct sock *sk;
struct packet_sock *po;
+ __be16 proto = (__force __be16)protocol; /* weird, but documented */
int err;
if (!capable(CAP_NET_RAW))
@@ -1010,7 +1011,7 @@ static int packet_create(struct socket *sock, int protocol)
po = pkt_sk(sk);
sk->sk_family = PF_PACKET;
- po->num = protocol;
+ po->num = proto;
sk->sk_destruct = packet_sock_destruct;
atomic_inc(&packet_socks_nr);
@@ -1027,8 +1028,8 @@ static int packet_create(struct socket *sock, int protocol)
#endif
po->prot_hook.af_packet_priv = sk;
- if (protocol) {
- po->prot_hook.type = protocol;
+ if (proto) {
+ po->prot_hook.type = proto;
dev_add_pack(&po->prot_hook);
sock_hold(sk);
po->running = 1;
@@ -1624,7 +1625,8 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
{
char **pg_vec = NULL;
struct packet_sock *po = pkt_sk(sk);
- int was_running, num, order = 0;
+ int was_running, order = 0;
+ __be16 num;
int err = 0;
if (req->tp_block_nr) {