[PATCH v3 net-next] l2tp: Refactor the codes with existing macros instead of literal number
From: <hidden>
Date: 2016-08-20 15:53:22
Subsystem:
networking [general], ppp over l2tp, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, James Chapman, Linus Torvalds
From: Gao Feng <redacted> Use PPP_ALLSTATIONS, PPP_UI, and SEND_SHUTDOWN instead of 0xff, 0x03, and 2 separately. Signed-off-by: Gao Feng <redacted> --- 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)) 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); }
--
1.9.1