Inline
On 08/20/2016 09:52 AM, f...@48lvckh6395k16k5.yundunddos.com wrote:
From: Gao Feng <f...@ikuai8.com>
Use PPP_ALLSTATIONS, PPP_UI, and SEND_SHUTDOWN instead of 0xff,
0x03, and 2 separately.
Signed-off-by: Gao Feng <f...@ikuai8.com>
---
v3: Modify the subject;
v2: Only replace the literal number with macros according to Guillaume's
advice
v1: Inital patch
net/l2tp/l2tp_ppp.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index d9560aa..65e2fd6 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -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))
This should have used PPP_ADDRESS() and PPP_CONTROL() here.
skb_pull(skb, 2);
This magic number should go away.
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};
PPP has a 4-byte header. Where's the protocol value?
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};
Same as above.
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);
}
