dma: remove external references to dma_supported

[karo-tx-linux.git] / net / sctp / protocol.c

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index b7143337e4fa025fdb473732fdc064503e731dd4..3d9ea9a48289af7324d2c96d82938dd978634ce5 100644 (file)
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1186,7 +1186,7 @@ static void sctp_v4_del_protocol(void)
        unregister_inetaddr_notifier(&sctp_inetaddr_notifier);
 }
 
-static int __net_init sctp_net_init(struct net *net)
+static int __net_init sctp_defaults_init(struct net *net)
 {
        int status;
 
@@ -1279,12 +1279,6 @@ static int __net_init sctp_net_init(struct net *net)
 
        sctp_dbg_objcnt_init(net);
 
-       /* Initialize the control inode/socket for handling OOTB packets.  */
-       if ((status = sctp_ctl_sock_init(net))) {
-               pr_err("Failed to initialize the SCTP control sock\n");
-               goto err_ctl_sock_init;
-       }
-
        /* Initialize the local address list. */
        INIT_LIST_HEAD(&net->sctp.local_addr_list);
        spin_lock_init(&net->sctp.local_addr_lock);
@@ -1300,9 +1294,6 @@ static int __net_init sctp_net_init(struct net *net)
 
        return 0;
 
-err_ctl_sock_init:
-       sctp_dbg_objcnt_exit(net);
-       sctp_proc_exit(net);
 err_init_proc:
        cleanup_sctp_mibs(net);
 err_init_mibs:
@@ -1311,15 +1302,12 @@ err_sysctl_register:
        return status;
 }
 
-static void __net_exit sctp_net_exit(struct net *net)
+static void __net_exit sctp_defaults_exit(struct net *net)
 {
        /* Free the local address list */
        sctp_free_addr_wq(net);
        sctp_free_local_addr_list(net);
 
-       /* Free the control endpoint.  */
-       inet_ctl_sock_destroy(net->sctp.ctl_sock);
-
        sctp_dbg_objcnt_exit(net);
 
        sctp_proc_exit(net);
@@ -1327,9 +1315,32 @@ static void __net_exit sctp_net_exit(struct net *net)
        sctp_sysctl_net_unregister(net);
 }
 
-static struct pernet_operations sctp_net_ops = {
-       .init = sctp_net_init,
-       .exit = sctp_net_exit,
+static struct pernet_operations sctp_defaults_ops = {
+       .init = sctp_defaults_init,
+       .exit = sctp_defaults_exit,
+};
+
+static int __net_init sctp_ctrlsock_init(struct net *net)
+{
+       int status;
+
+       /* Initialize the control inode/socket for handling OOTB packets.  */
+       status = sctp_ctl_sock_init(net);
+       if (status)
+               pr_err("Failed to initialize the SCTP control sock\n");
+
+       return status;
+}
+
+static void __net_init sctp_ctrlsock_exit(struct net *net)
+{
+       /* Free the control endpoint.  */
+       inet_ctl_sock_destroy(net->sctp.ctl_sock);
+}
+
+static struct pernet_operations sctp_ctrlsock_ops = {
+       .init = sctp_ctrlsock_init,
+       .exit = sctp_ctrlsock_exit,
 };
 
 /* Initialize the universe into something sensible.  */
@@ -1462,8 +1473,11 @@ static __init int sctp_init(void)
        sctp_v4_pf_init();
        sctp_v6_pf_init();
 
-       status = sctp_v4_protosw_init();
+       status = register_pernet_subsys(&sctp_defaults_ops);
+       if (status)
+               goto err_register_defaults;
 
+       status = sctp_v4_protosw_init();
        if (status)
                goto err_protosw_init;
 
@@ -1471,9 +1485,9 @@ static __init int sctp_init(void)
        if (status)
                goto err_v6_protosw_init;
 
-       status = register_pernet_subsys(&sctp_net_ops);
+       status = register_pernet_subsys(&sctp_ctrlsock_ops);
        if (status)
-               goto err_register_pernet_subsys;
+               goto err_register_ctrlsock;
 
        status = sctp_v4_add_protocol();
        if (status)
@@ -1489,12 +1503,14 @@ out:
 err_v6_add_protocol:
        sctp_v4_del_protocol();
 err_add_protocol:
-       unregister_pernet_subsys(&sctp_net_ops);
-err_register_pernet_subsys:
+       unregister_pernet_subsys(&sctp_ctrlsock_ops);
+err_register_ctrlsock:
        sctp_v6_protosw_exit();
 err_v6_protosw_init:
        sctp_v4_protosw_exit();
 err_protosw_init:
+       unregister_pernet_subsys(&sctp_defaults_ops);
+err_register_defaults:
        sctp_v4_pf_exit();
        sctp_v6_pf_exit();
        sctp_sysctl_unregister();
@@ -1527,12 +1543,14 @@ static __exit void sctp_exit(void)
        sctp_v6_del_protocol();
        sctp_v4_del_protocol();
 
-       unregister_pernet_subsys(&sctp_net_ops);
+       unregister_pernet_subsys(&sctp_ctrlsock_ops);
 
        /* Free protosw registrations */
        sctp_v6_protosw_exit();
        sctp_v4_protosw_exit();
 
+       unregister_pernet_subsys(&sctp_defaults_ops);
+
        /* Unregister with socket layer. */
        sctp_v6_pf_exit();
        sctp_v4_pf_exit();