From 677b274921dcffd7382d5aee6067bc871d4ca57b Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 14 Mar 2007 21:04:34 -0300
Subject: [PATCH 1/3] [SK_BUFF]: More skb_put related conversions to skb_reset_transport_header
This is similar to the skb_reset_network_header(), i.e. at the point we reset
the transport header pointer/offset skb->tail is equal to skb->data.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
net/irda/af_irda.c | 19 +++++++++----------
net/netrom/af_netrom.c | 7 +++----
net/rose/af_rose.c | 5 +++--
net/x25/af_x25.c | 5 +++--
4 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 32ee761..f9b15d4 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1275,7 +1275,6 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
struct sock *sk = sock->sk;
struct irda_sock *self;
struct sk_buff *skb;
- unsigned char *asmptr;
int err;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
@@ -1318,9 +1317,9 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
return -ENOBUFS;
skb_reserve(skb, self->max_header_size + 16);
-
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_reset_transport_header(skb);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
@@ -1531,7 +1530,6 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
struct sock *sk = sock->sk;
struct irda_sock *self;
struct sk_buff *skb;
- unsigned char *asmptr;
int err;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
@@ -1567,10 +1565,11 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
return -ENOBUFS;
skb_reserve(skb, self->max_header_size);
+ skb_reset_transport_header(skb);
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
@@ -1603,7 +1602,6 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
__u8 pid = 0;
int bound = 0;
struct sk_buff *skb;
- unsigned char *asmptr;
int err;
IRDA_DEBUG(4, "%s(), len=%zd\n", __FUNCTION__, len);
@@ -1663,10 +1661,11 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
return -ENOBUFS;
skb_reserve(skb, self->max_header_size);
+ skb_reset_transport_header(skb);
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
- asmptr = skb->h.raw = skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ skb_put(skb, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 8d0f30a..053fa26 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1074,6 +1074,7 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
goto out;
skb_reserve(skb, size - len);
+ skb_reset_transport_header(skb);
/*
* Push down the NET/ROM header
@@ -1094,14 +1095,12 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
/*
* Put the data on the end
*/
+ skb_put(skb, len);
- skb->h.raw = skb_put(skb, len);
-
- asmptr = skb->h.raw;
SOCK_DEBUG(sk, "NET/ROM: Appending user data\n");
/* User data follows immediately after the NET/ROM transport header */
- if (memcpy_fromiovec(asmptr, msg->msg_iov, len)) {
+ if (memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len)) {
kfree_skb(skb);
err = -EFAULT;
goto out;
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 04bc3c5..6428b75 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1081,9 +1081,10 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
*/
SOCK_DEBUG(sk, "ROSE: Appending user data\n");
- asmptr = skb->h.raw = skb_put(skb, len);
+ skb_reset_transport_header(skb);
+ skb_put(skb, len);
- err = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (err) {
kfree_skb(skb);
return err;
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index fc71305..adcda8e 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1058,9 +1058,10 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock,
*/
SOCK_DEBUG(sk, "x25_sendmsg: Copying user data\n");
- asmptr = skb->h.raw = skb_put(skb, len);
+ skb_reset_transport_header(skb);
+ skb_put(skb, len);
- rc = memcpy_fromiovec(asmptr, msg->msg_iov, len);
+ rc = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len);
if (rc)
goto out_kfree_skb;
--
1.5.0.2