diff options
Diffstat (limited to 'net/x25/af_x25.c')
| -rw-r--r-- | net/x25/af_x25.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 9fc5b023d111..ed80af8ca5fb 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -951,10 +951,8 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Incoming Call User Data. */ - if (skb->len >= 0) { - skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); - makex25->calluserdata.cudlength = skb->len; - } + skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); + makex25->calluserdata.cudlength = skb->len; sk->sk_ack_backlog++; @@ -1037,6 +1035,12 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, sx25.sx25_addr = x25->dest_addr; } + /* Sanity check the packet size */ + if (len > 65535) { + rc = -EMSGSIZE; + goto out; + } + SOCK_DEBUG(sk, "x25_sendmsg: sendto: Addresses built.\n"); /* Build a packet */ @@ -1122,8 +1126,9 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, if (msg->msg_flags & MSG_OOB) skb_queue_tail(&x25->interrupt_out_queue, skb); else { - len = x25_output(sk, skb); - if (len < 0) + rc = x25_output(sk, skb); + len = rc; + if (rc < 0) kfree_skb(skb); else if (x25->qbitincl) len++; @@ -1608,8 +1613,8 @@ static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = { SOCKOPS_WRAP(x25_proto, AF_X25); -static struct packet_type x25_packet_type = { - .type = __constant_htons(ETH_P_X25), +static struct packet_type x25_packet_type __read_mostly = { + .type = cpu_to_be16(ETH_P_X25), .func = x25_lapb_receive_frame, }; |