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-rw-r--r--net/netrom/af_netrom.c115
-rw-r--r--net/netrom/nr_dev.c4
-rw-r--r--net/netrom/nr_in.c6
-rw-r--r--net/netrom/nr_loopback.c4
-rw-r--r--net/netrom/nr_out.c8
-rw-r--r--net/netrom/nr_subr.c4
6 files changed, 74 insertions, 67 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index bf9837dd95c..5d4a26c2aa0 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -625,42 +625,42 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr,
ax25_address *source = NULL;
ax25_uid_assoc *user;
struct net_device *dev;
+ int err = 0;
lock_sock(sk);
if (sk->sk_state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
sock->state = SS_CONNECTED;
- release_sock(sk);
- return 0; /* Connect completed during a ERESTARTSYS event */
+ goto out_release; /* Connect completed during a ERESTARTSYS event */
}
if (sk->sk_state == TCP_CLOSE && sock->state == SS_CONNECTING) {
sock->state = SS_UNCONNECTED;
- release_sock(sk);
- return -ECONNREFUSED;
+ err = -ECONNREFUSED;
+ goto out_release;
}
if (sk->sk_state == TCP_ESTABLISHED) {
- release_sock(sk);
- return -EISCONN; /* No reconnect on a seqpacket socket */
+ err = -EISCONN; /* No reconnect on a seqpacket socket */
+ goto out_release;
}
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
if (addr_len != sizeof(struct sockaddr_ax25) && addr_len != sizeof(struct full_sockaddr_ax25)) {
- release_sock(sk);
- return -EINVAL;
+ err = -EINVAL;
+ goto out_release;
}
if (addr->sax25_family != AF_NETROM) {
- release_sock(sk);
- return -EINVAL;
+ err = -EINVAL;
+ goto out_release;
}
if (sock_flag(sk, SOCK_ZAPPED)) { /* Must bind first - autobinding in this may or may not work */
sock_reset_flag(sk, SOCK_ZAPPED);
if ((dev = nr_dev_first()) == NULL) {
- release_sock(sk);
- return -ENETUNREACH;
+ err = -ENETUNREACH;
+ goto out_release;
}
source = (ax25_address *)dev->dev_addr;
@@ -671,8 +671,8 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr,
} else {
if (ax25_uid_policy && !capable(CAP_NET_ADMIN)) {
dev_put(dev);
- release_sock(sk);
- return -EPERM;
+ err = -EPERM;
+ goto out_release;
}
nr->user_addr = *source;
}
@@ -707,8 +707,8 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr,
/* Now the loop */
if (sk->sk_state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) {
- release_sock(sk);
- return -EINPROGRESS;
+ err = -EINPROGRESS;
+ goto out_release;
}
/*
@@ -716,46 +716,46 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr,
* closed.
*/
if (sk->sk_state == TCP_SYN_SENT) {
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
+ DEFINE_WAIT(wait);
- add_wait_queue(sk->sk_sleep, &wait);
for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk->sk_sleep, &wait,
+ TASK_INTERRUPTIBLE);
if (sk->sk_state != TCP_SYN_SENT)
break;
- release_sock(sk);
- if (!signal_pending(tsk)) {
+ if (!signal_pending(current)) {
+ release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -ERESTARTSYS;
+ err = -ERESTARTSYS;
+ break;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
+ finish_wait(sk->sk_sleep, &wait);
+ if (err)
+ goto out_release;
}
if (sk->sk_state != TCP_ESTABLISHED) {
sock->state = SS_UNCONNECTED;
- release_sock(sk);
- return sock_error(sk); /* Always set at this point */
+ err = sock_error(sk); /* Always set at this point */
+ goto out_release;
}
sock->state = SS_CONNECTED;
+
+out_release:
release_sock(sk);
- return 0;
+ return err;
}
static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
{
- struct task_struct *tsk = current;
- DECLARE_WAITQUEUE(wait, tsk);
struct sk_buff *skb;
struct sock *newsk;
+ DEFINE_WAIT(wait);
struct sock *sk;
int err = 0;
@@ -765,42 +765,40 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET) {
err = -EOPNOTSUPP;
- goto out;
+ goto out_release;
}
if (sk->sk_state != TCP_LISTEN) {
err = -EINVAL;
- goto out;
+ goto out_release;
}
/*
* The write queue this time is holding sockets ready to use
* hooked into the SABM we saved
*/
- add_wait_queue(sk->sk_sleep, &wait);
for (;;) {
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
break;
- current->state = TASK_INTERRUPTIBLE;
- release_sock(sk);
if (flags & O_NONBLOCK) {
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -EWOULDBLOCK;
+ err = -EWOULDBLOCK;
+ break;
}
- if (!signal_pending(tsk)) {
+ if (!signal_pending(current)) {
+ release_sock(sk);
schedule();
lock_sock(sk);
continue;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
- return -ERESTARTSYS;
+ err = -ERESTARTSYS;
+ break;
}
- current->state = TASK_RUNNING;
- remove_wait_queue(sk->sk_sleep, &wait);
+ finish_wait(sk->sk_sleep, &wait);
+ if (err)
+ goto out_release;
newsk = skb->sk;
newsk->sk_socket = newsock;
@@ -811,8 +809,9 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
sk_acceptq_removed(sk);
newsock->sk = newsk;
-out:
+out_release:
release_sock(sk);
+
return err;
}
@@ -878,7 +877,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
if (frametype == NR_PROTOEXT &&
circuit_index == NR_PROTO_IP && circuit_id == NR_PROTO_IP) {
skb_pull(skb, NR_NETWORK_LEN + NR_TRANSPORT_LEN);
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
return nr_rx_ip(skb, dev);
}
@@ -904,7 +903,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
}
if (sk != NULL) {
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
if (frametype == NR_CONNACK && skb->len == 22)
nr_sk(sk)->bpqext = 1;
@@ -1074,6 +1073,7 @@ 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 +1094,12 @@ 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;
@@ -1149,7 +1147,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
return er;
}
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
copied = skb->len;
if (copied > size) {
@@ -1161,7 +1159,8 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
if (sax != NULL) {
sax->sax25_family = AF_NETROM;
- memcpy(sax->sax25_call.ax25_call, skb->data + 7, AX25_ADDR_LEN);
+ skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
+ AX25_ADDR_LEN);
}
msg->msg_namelen = sizeof(*sax);
@@ -1209,6 +1208,12 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
release_sock(sk);
return ret;
+ case SIOCGSTAMPNS:
+ lock_sock(sk);
+ ret = sock_get_timestampns(sk, argp);
+ release_sock(sk);
+ return ret;
+
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCGIFDSTADDR:
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 9a97ed6e691..c7b5d930e73 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -56,8 +56,8 @@ int nr_rx_ip(struct sk_buff *skb, struct net_device *dev)
/* Spoof incoming device */
skb->dev = dev;
- skb->mac.raw = skb->nh.raw;
- skb->nh.raw = skb->data;
+ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
skb->pkt_type = PACKET_HOST;
netif_rx(skb);
diff --git a/net/netrom/nr_in.c b/net/netrom/nr_in.c
index 5560acbaaa9..68176483617 100644
--- a/net/netrom/nr_in.c
+++ b/net/netrom/nr_in.c
@@ -51,10 +51,12 @@ static int nr_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
if ((skbn = alloc_skb(nr->fraglen, GFP_ATOMIC)) == NULL)
return 1;
- skbn->h.raw = skbn->data;
+ skb_reset_transport_header(skbn);
while ((skbo = skb_dequeue(&nr->frag_queue)) != NULL) {
- memcpy(skb_put(skbn, skbo->len), skbo->data, skbo->len);
+ skb_copy_from_linear_data(skbo,
+ skb_put(skbn, skbo->len),
+ skbo->len);
kfree_skb(skbo);
}
diff --git a/net/netrom/nr_loopback.c b/net/netrom/nr_loopback.c
index e856ae1b360..f324d5df418 100644
--- a/net/netrom/nr_loopback.c
+++ b/net/netrom/nr_loopback.c
@@ -34,8 +34,8 @@ int nr_loopback_queue(struct sk_buff *skb)
struct sk_buff *skbn;
if ((skbn = alloc_skb(skb->len, GFP_ATOMIC)) != NULL) {
- memcpy(skb_put(skbn, skb->len), skb->data, skb->len);
- skbn->h.raw = skbn->data;
+ skb_copy_from_linear_data(skb, skb_put(skbn, skb->len), skb->len);
+ skb_reset_transport_header(skbn);
skb_queue_tail(&loopback_queue, skbn);
diff --git a/net/netrom/nr_out.c b/net/netrom/nr_out.c
index 0cbfb611465..e3e6c44e189 100644
--- a/net/netrom/nr_out.c
+++ b/net/netrom/nr_out.c
@@ -40,7 +40,7 @@ void nr_output(struct sock *sk, struct sk_buff *skb)
if (skb->len - NR_TRANSPORT_LEN > NR_MAX_PACKET_SIZE) {
/* Save a copy of the Transport Header */
- memcpy(transport, skb->data, NR_TRANSPORT_LEN);
+ skb_copy_from_linear_data(skb, transport, NR_TRANSPORT_LEN);
skb_pull(skb, NR_TRANSPORT_LEN);
frontlen = skb_headroom(skb);
@@ -54,13 +54,13 @@ void nr_output(struct sock *sk, struct sk_buff *skb)
len = (NR_MAX_PACKET_SIZE > skb->len) ? skb->len : NR_MAX_PACKET_SIZE;
/* Copy the user data */
- memcpy(skb_put(skbn, len), skb->data, len);
+ skb_copy_from_linear_data(skb, skb_put(skbn, len), len);
skb_pull(skb, len);
/* Duplicate the Transport Header */
skb_push(skbn, NR_TRANSPORT_LEN);
- memcpy(skbn->data, transport, NR_TRANSPORT_LEN);
-
+ skb_copy_to_linear_data(skbn, transport,
+ NR_TRANSPORT_LEN);
if (skb->len > 0)
skbn->data[4] |= NR_MORE_FLAG;
diff --git a/net/netrom/nr_subr.c b/net/netrom/nr_subr.c
index 07b694d1887..04e7d0d2fd8 100644
--- a/net/netrom/nr_subr.c
+++ b/net/netrom/nr_subr.c
@@ -226,13 +226,13 @@ void __nr_transmit_reply(struct sk_buff *skb, int mine, unsigned char cmdflags)
dptr = skb_put(skbn, NR_NETWORK_LEN + NR_TRANSPORT_LEN);
- memcpy(dptr, skb->data + 7, AX25_ADDR_LEN);
+ skb_copy_from_linear_data_offset(skb, 7, dptr, AX25_ADDR_LEN);
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_EBIT;
dptr[6] |= AX25_SSSID_SPARE;
dptr += AX25_ADDR_LEN;
- memcpy(dptr, skb->data + 0, AX25_ADDR_LEN);
+ skb_copy_from_linear_data(skb, dptr, AX25_ADDR_LEN);
dptr[6] &= ~AX25_CBIT;
dptr[6] |= AX25_EBIT;
dptr[6] |= AX25_SSSID_SPARE;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 15:13:20 +0000