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l2tp: Refactor the codes with existing macros instead of literal number

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Use PPP_ALLSTATIONS, PPP_UI, and SEND_SHUTDOWN instead of 0xff,
0x03, and 2 separately.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gao Feng 2016-08-20 23:52:27 +08:00 committed by David S. Miller
parent 04462f2aed
commit 5ab1fe72d5
1 changed files with 4 additions and 4 deletions
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8
net/l2tp/l2tp_ppp.c
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@ -177,7 +177,7 @@ static int pppol2tp_recv_payload_hook(struct sk_buff *skb)
if (!pskb_may_pull(skb, 2))
return 1;
if ((skb->data[0] == 0xff) && (skb->data[1] == 0x03))
if ((skb->data[0] == PPP_ALLSTATIONS) && (skb->data[1] == PPP_UI))
skb_pull(skb, 2);
return 0;
@ -282,7 +282,7 @@ static void pppol2tp_session_sock_put(struct l2tp_session *session)
static int pppol2tp_sendmsg(struct socket *sock, struct msghdr *m,
size_t total_len)
{
static const unsigned char ppph[2] = { 0xff, 0x03 };
static const unsigned char ppph[2] = {PPP_ALLSTATIONS, PPP_UI};
struct sock *sk = sock->sk;
struct sk_buff *skb;
int error;
@ -369,7 +369,7 @@ error:
*/
static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
{
static const u8 ppph[2] = { 0xff, 0x03 };
static const u8 ppph[2] = {PPP_ALLSTATIONS, PPP_UI};
struct sock *sk = (struct sock *) chan->private;
struct sock *sk_tun;
struct l2tp_session *session;
@ -440,7 +440,7 @@ static void pppol2tp_session_close(struct l2tp_session *session)
BUG_ON(session->magic != L2TP_SESSION_MAGIC);
if (sock) {
inet_shutdown(sock, 2);
inet_shutdown(sock, SEND_SHUTDOWN);
/* Don't let the session go away before our socket does */
l2tp_session_inc_refcount(session);
}