clocksource: improve sh_cmt clocksource overflow handling
[linux-2.6.git] / drivers / net / pppox.c
index 0c1e114..4f6d33f 100644 (file)
@@ -31,6 +31,7 @@
 #include <linux/ppp_defs.h>
 #include <linux/if_ppp.h>
 #include <linux/ppp_channel.h>
+#include <linux/kmod.h>
 
 #include <net/sock.h>
 
@@ -58,7 +59,7 @@ void pppox_unbind_sock(struct sock *sk)
 {
        /* Clear connection to ppp device, if attached. */
 
-       if (sk->sk_state & (PPPOX_BOUND | PPPOX_ZOMBIE)) {
+       if (sk->sk_state & (PPPOX_BOUND | PPPOX_CONNECTED | PPPOX_ZOMBIE)) {
                ppp_unregister_channel(&pppox_sk(sk)->chan);
                sk->sk_state = PPPOX_DEAD;
        }
@@ -68,12 +69,11 @@ EXPORT_SYMBOL(register_pppox_proto);
 EXPORT_SYMBOL(unregister_pppox_proto);
 EXPORT_SYMBOL(pppox_unbind_sock);
 
-static int pppox_ioctl(struct socket* sock, unsigned int cmd, 
-                      unsigned long arg)
+int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
        struct sock *sk = sock->sk;
        struct pppox_sock *po = pppox_sk(sk);
-       int rc = 0;
+       int rc;
 
        lock_sock(sk);
 
@@ -94,19 +94,17 @@ static int pppox_ioctl(struct socket* sock, unsigned int cmd,
                break;
        }
        default:
-               if (pppox_protos[sk->sk_protocol]->ioctl)
-                       rc = pppox_protos[sk->sk_protocol]->ioctl(sock, cmd,
-                                                                 arg);
-
-               break;
-       };
+               rc = pppox_protos[sk->sk_protocol]->ioctl ?
+                       pppox_protos[sk->sk_protocol]->ioctl(sock, cmd, arg) : -ENOTTY;
+       }
 
        release_sock(sk);
        return rc;
 }
 
+EXPORT_SYMBOL(pppox_ioctl);
 
-static int pppox_create(struct socket *sock, int protocol)
+static int pppox_create(struct net *net, struct socket *sock, int protocol)
 {
        int rc = -EPROTOTYPE;
 
@@ -114,16 +112,14 @@ static int pppox_create(struct socket *sock, int protocol)
                goto out;
 
        rc = -EPROTONOSUPPORT;
+       if (!pppox_protos[protocol])
+               request_module("pppox-proto-%d", protocol);
        if (!pppox_protos[protocol] ||
            !try_module_get(pppox_protos[protocol]->owner))
                goto out;
 
-       rc = pppox_protos[protocol]->create(sock);
-       if (!rc) {
-               /* We get to set the ioctl handler. */
-               /* For everything else, pppox is just a shell. */
-               sock->ops->ioctl = pppox_ioctl;
-       }
+       rc = pppox_protos[protocol]->create(net, sock);
+
        module_put(pppox_protos[protocol]->owner);
 out:
        return rc;