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[MIPS] Rewrite spurious_interrupt from assembler to C.
[safe/jmp/linux-2.6] / net / ipv4 / af_inet.c
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index a9d84f9..dc206f1 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -79,6 +79,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/capability.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
@@ -93,6 +94,7 @@
 #include <linux/smp_lock.h>
 #include <linux/inet.h>
 #include <linux/igmp.h>
+#include <linux/inetdevice.h>
 #include <linux/netdevice.h>
 #include <net/ip.h>
 #include <net/protocol.h>
@@ -147,8 +149,7 @@ void inet_sock_destruct(struct sock *sk)
        BUG_TRAP(!sk->sk_wmem_queued);
        BUG_TRAP(!sk->sk_forward_alloc);
 
-       if (inet->opt)
-               kfree(inet->opt);
+       kfree(inet->opt);
        dst_release(sk->sk_dst_cache);
        sk_refcnt_debug_dec(sk);
 }
@@ -229,13 +230,14 @@ static int inet_create(struct socket *sock, int protocol)
        unsigned char answer_flags;
        char answer_no_check;
        int try_loading_module = 0;
-       int err = -ESOCKTNOSUPPORT;
+       int err;
 
        sock->state = SS_UNCONNECTED;
 
        /* Look for the requested type/protocol pair. */
        answer = NULL;
 lookup_protocol:
+       err = -ESOCKTNOSUPPORT;
        rcu_read_lock();
        list_for_each_rcu(p, &inetsw[sock->type]) {
                answer = list_entry(p, struct inet_protosw, list);
@@ -253,6 +255,7 @@ lookup_protocol:
                        if (IPPROTO_IP == answer->protocol)
                                break;
                }
+               err = -EPROTONOSUPPORT;
                answer = NULL;
        }
 
@@ -281,9 +284,6 @@ lookup_protocol:
        err = -EPERM;
        if (answer->capability > 0 && !capable(answer->capability))
                goto out_rcu_unlock;
-       err = -EPROTONOSUPPORT;
-       if (!protocol)
-               goto out_rcu_unlock;
 
        sock->ops = answer->ops;
        answer_prot = answer->prot;
@@ -304,6 +304,7 @@ lookup_protocol:
                sk->sk_reuse = 1;
 
        inet = inet_sk(sk);
+       inet->is_icsk = INET_PROTOSW_ICSK & answer_flags;
 
        if (SOCK_RAW == sock->type) {
                inet->num = protocol;
@@ -777,80 +778,92 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                        err = devinet_ioctl(cmd, (void __user *)arg);
                        break;
                default:
-                       if (!sk->sk_prot->ioctl ||
-                           (err = sk->sk_prot->ioctl(sk, cmd, arg)) ==
-                                                               -ENOIOCTLCMD)
-                               err = dev_ioctl(cmd, (void __user *)arg);
+                       if (sk->sk_prot->ioctl)
+                               err = sk->sk_prot->ioctl(sk, cmd, arg);
+                       else
+                               err = -ENOIOCTLCMD;
                        break;
        }
        return err;
 }
 
-struct proto_ops inet_stream_ops = {
-       .family =       PF_INET,
-       .owner =        THIS_MODULE,
-       .release =      inet_release,
-       .bind =         inet_bind,
-       .connect =      inet_stream_connect,
-       .socketpair =   sock_no_socketpair,
-       .accept =       inet_accept,
-       .getname =      inet_getname,
-       .poll =         tcp_poll,
-       .ioctl =        inet_ioctl,
-       .listen =       inet_listen,
-       .shutdown =     inet_shutdown,
-       .setsockopt =   sock_common_setsockopt,
-       .getsockopt =   sock_common_getsockopt,
-       .sendmsg =      inet_sendmsg,
-       .recvmsg =      sock_common_recvmsg,
-       .mmap =         sock_no_mmap,
-       .sendpage =     tcp_sendpage
+const struct proto_ops inet_stream_ops = {
+       .family            = PF_INET,
+       .owner             = THIS_MODULE,
+       .release           = inet_release,
+       .bind              = inet_bind,
+       .connect           = inet_stream_connect,
+       .socketpair        = sock_no_socketpair,
+       .accept            = inet_accept,
+       .getname           = inet_getname,
+       .poll              = tcp_poll,
+       .ioctl             = inet_ioctl,
+       .listen            = inet_listen,
+       .shutdown          = inet_shutdown,
+       .setsockopt        = sock_common_setsockopt,
+       .getsockopt        = sock_common_getsockopt,
+       .sendmsg           = inet_sendmsg,
+       .recvmsg           = sock_common_recvmsg,
+       .mmap              = sock_no_mmap,
+       .sendpage          = tcp_sendpage,
+#ifdef CONFIG_COMPAT
+       .compat_setsockopt = compat_sock_common_setsockopt,
+       .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
 };
 
-struct proto_ops inet_dgram_ops = {
-       .family =       PF_INET,
-       .owner =        THIS_MODULE,
-       .release =      inet_release,
-       .bind =         inet_bind,
-       .connect =      inet_dgram_connect,
-       .socketpair =   sock_no_socketpair,
-       .accept =       sock_no_accept,
-       .getname =      inet_getname,
-       .poll =         udp_poll,
-       .ioctl =        inet_ioctl,
-       .listen =       sock_no_listen,
-       .shutdown =     inet_shutdown,
-       .setsockopt =   sock_common_setsockopt,
-       .getsockopt =   sock_common_getsockopt,
-       .sendmsg =      inet_sendmsg,
-       .recvmsg =      sock_common_recvmsg,
-       .mmap =         sock_no_mmap,
-       .sendpage =     inet_sendpage,
+const struct proto_ops inet_dgram_ops = {
+       .family            = PF_INET,
+       .owner             = THIS_MODULE,
+       .release           = inet_release,
+       .bind              = inet_bind,
+       .connect           = inet_dgram_connect,
+       .socketpair        = sock_no_socketpair,
+       .accept            = sock_no_accept,
+       .getname           = inet_getname,
+       .poll              = udp_poll,
+       .ioctl             = inet_ioctl,
+       .listen            = sock_no_listen,
+       .shutdown          = inet_shutdown,
+       .setsockopt        = sock_common_setsockopt,
+       .getsockopt        = sock_common_getsockopt,
+       .sendmsg           = inet_sendmsg,
+       .recvmsg           = sock_common_recvmsg,
+       .mmap              = sock_no_mmap,
+       .sendpage          = inet_sendpage,
+#ifdef CONFIG_COMPAT
+       .compat_setsockopt = compat_sock_common_setsockopt,
+       .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
 };
 
 /*
  * For SOCK_RAW sockets; should be the same as inet_dgram_ops but without
  * udp_poll
  */
-static struct proto_ops inet_sockraw_ops = {
-       .family =       PF_INET,
-       .owner =        THIS_MODULE,
-       .release =      inet_release,
-       .bind =         inet_bind,
-       .connect =      inet_dgram_connect,
-       .socketpair =   sock_no_socketpair,
-       .accept =       sock_no_accept,
-       .getname =      inet_getname,
-       .poll =         datagram_poll,
-       .ioctl =        inet_ioctl,
-       .listen =       sock_no_listen,
-       .shutdown =     inet_shutdown,
-       .setsockopt =   sock_common_setsockopt,
-       .getsockopt =   sock_common_getsockopt,
-       .sendmsg =      inet_sendmsg,
-       .recvmsg =      sock_common_recvmsg,
-       .mmap =         sock_no_mmap,
-       .sendpage =     inet_sendpage,
+static const struct proto_ops inet_sockraw_ops = {
+       .family            = PF_INET,
+       .owner             = THIS_MODULE,
+       .release           = inet_release,
+       .bind              = inet_bind,
+       .connect           = inet_dgram_connect,
+       .socketpair        = sock_no_socketpair,
+       .accept            = sock_no_accept,
+       .getname           = inet_getname,
+       .poll              = datagram_poll,
+       .ioctl             = inet_ioctl,
+       .listen            = sock_no_listen,
+       .shutdown          = inet_shutdown,
+       .setsockopt        = sock_common_setsockopt,
+       .getsockopt        = sock_common_getsockopt,
+       .sendmsg           = inet_sendmsg,
+       .recvmsg           = sock_common_recvmsg,
+       .mmap              = sock_no_mmap,
+       .sendpage          = inet_sendpage,
+#ifdef CONFIG_COMPAT
+       .compat_setsockopt = compat_sock_common_setsockopt,
+       .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
 };
 
 static struct net_proto_family inet_family_ops = {
@@ -871,7 +884,8 @@ static struct inet_protosw inetsw_array[] =
                 .ops =        &inet_stream_ops,
                 .capability = -1,
                 .no_check =   0,
-                .flags =      INET_PROTOSW_PERMANENT,
+                .flags =      INET_PROTOSW_PERMANENT |
+                             INET_PROTOSW_ICSK,
         },
 
         {
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