fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / net / wanrouter / af_wanpipe.c

diff --git a/net/wanrouter/af_wanpipe.c b/net/wanrouter/af_wanpipe.c
index d93b19f..c205973 100644 (file)
--- a/net/wanrouter/af_wanpipe.c
+++ b/net/wanrouter/af_wanpipe.c
@@ -13,7 +13,7 @@
 * Due Credit:
 *               Wanpipe socket layer is based on Packet and 
 *               the X25 socket layers. The above sockets were 
-*               used for the specific use of Sangoma Technoloiges 
+*               used for the specific use of Sangoma Technologies 
 *               API programs. 
 *               Packet socket Authors: Ross Biro, Fred N. van Kempen and 
 *                                      Alan Cox.
@@ -23,7 +23,7 @@
 * Apr 25, 2000  Nenad Corbic     o Added the ability to send zero length packets.
 * Mar 13, 2000  Nenad Corbic    o Added a tx buffer check via ioctl call.
 * Mar 06, 2000  Nenad Corbic     o Fixed the corrupt sock lcn problem.
-*                                  Server and client applicaton can run
+*                                  Server and client application can run
 *                                  simultaneously without conflicts.
 * Feb 29, 2000  Nenad Corbic     o Added support for PVC protocols, such as
 *                                  CHDLC, Frame Relay and HDLC API.
@@ -32,10 +32,10 @@
 *
 ******************************************************************************/
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
+#include <linux/capability.h>
 #include <linux/fcntl.h>
 #include <linux/socket.h>
 #include <linux/in.h>
@@ -54,12 +54,10 @@
 #include <asm/uaccess.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/wanpipe.h>
 #include <linux/if_wanpipe.h>
 #include <linux/pkt_sched.h>
-#include <linux/tcp.h>
+#include <linux/tcp_states.h>
 #include <linux/if_wanpipe_common.h>
-#include <linux/sdla_x25.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -181,7 +179,7 @@ struct wanpipe_opt
 #endif
 
 static int sk_count;
-extern struct proto_ops wanpipe_ops;
+extern const struct proto_ops wanpipe_ops;
 static unsigned long find_free_critical;
 
 static void wanpipe_unlink_driver(struct sock *sk);
@@ -372,12 +370,11 @@ static int wanpipe_listen_rcv (struct sk_buff *skb,  struct sock *sk)
          * used by the ioctl call to read call information
          * and to execute commands. 
          */    
-       if ((mbox_ptr = kmalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL) {
+       if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL) {
                wanpipe_kill_sock_irq (newsk);
                release_device(dev);            
                return -ENOMEM;
        }
-       memset(mbox_ptr, 0, sizeof(mbox_cmd_t));
        memcpy(mbox_ptr,skb->data,skb->len);
 
        /* Register the lcn on which incoming call came
@@ -509,11 +506,10 @@ static struct sock *wanpipe_alloc_socket(void)
        if ((sk = sk_alloc(PF_WANPIPE, GFP_ATOMIC, &wanpipe_proto, 1)) == NULL)
                return NULL;
 
-       if ((wan_opt = kmalloc(sizeof(struct wanpipe_opt), GFP_ATOMIC)) == NULL) {
+       if ((wan_opt = kzalloc(sizeof(struct wanpipe_opt), GFP_ATOMIC)) == NULL) {
                sk_free(sk);
                return NULL;
        }
-       memset(wan_opt, 0x00, sizeof(struct wanpipe_opt));
 
        wp_sk(sk) = wan_opt;
 
@@ -1099,7 +1095,7 @@ static void release_driver(struct sock *sk)
        sock_reset_flag(sk, SOCK_ZAPPED);
        wp = wp_sk(sk);
 
-       if (wp && wp->mbox) {
+       if (wp) {
                kfree(wp->mbox);
                wp->mbox = NULL;
        }
@@ -1186,10 +1182,8 @@ static void wanpipe_kill_sock_timer (unsigned long data)
                return;
        }
 
-       if (wp_sk(sk)) {
-               kfree(wp_sk(sk));
-               wp_sk(sk) = NULL;
-       }
+       kfree(wp_sk(sk));
+       wp_sk(sk) = NULL;
 
        if (atomic_read(&sk->sk_refcnt) != 1) {
                atomic_set(&sk->sk_refcnt, 1);
@@ -1219,10 +1213,8 @@ static void wanpipe_kill_sock_accept (struct sock *sk)
        sk->sk_socket = NULL;
 
 
-       if (wp_sk(sk)) {
-               kfree(wp_sk(sk));
-               wp_sk(sk) = NULL;
-       }
+       kfree(wp_sk(sk));
+       wp_sk(sk) = NULL;
 
        if (atomic_read(&sk->sk_refcnt) != 1) {
                atomic_set(&sk->sk_refcnt, 1);
@@ -1243,10 +1235,8 @@ static void wanpipe_kill_sock_irq (struct sock *sk)
 
        sk->sk_socket = NULL;
 
-       if (wp_sk(sk)) {
-               kfree(wp_sk(sk));
-               wp_sk(sk) = NULL;
-       }
+       kfree(wp_sk(sk));
+       wp_sk(sk) = NULL;
 
        if (atomic_read(&sk->sk_refcnt) != 1) {
                atomic_set(&sk->sk_refcnt, 1);
@@ -1845,7 +1835,7 @@ static int wanpipe_ioctl(struct socket *sock, unsigned int cmd, unsigned long ar
 #endif
 
                default:
-                       return dev_ioctl(cmd,(void __user *) arg);
+                       return -ENOIOCTLCMD;
        }
        /*NOTREACHED*/
 }
@@ -2019,10 +2009,9 @@ static int set_ioctl_cmd (struct sock *sk, void *arg)
 
                dev_put(dev);
                
-               if ((mbox_ptr = kmalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL)
+               if ((mbox_ptr = kzalloc(sizeof(mbox_cmd_t), GFP_ATOMIC)) == NULL)
                        return -ENOMEM;
 
-               memset(mbox_ptr, 0, sizeof(mbox_cmd_t));
                wp_sk(sk)->mbox = mbox_ptr;
 
                wanpipe_link_driver(dev,sk);
@@ -2552,7 +2541,7 @@ static int wanpipe_connect(struct socket *sock, struct sockaddr *uaddr, int addr
        return 0;
 }
 
-struct proto_ops wanpipe_ops = {
+const struct proto_ops wanpipe_ops = {
        .family =       PF_WANPIPE,
        .owner =        THIS_MODULE,
        .release =      wanpipe_release,