af_unix: Remove module remnants.

Since commit 97154bcf4d1b ("af_unix: Kconfig: make CONFIG_UNIX bool"),
af_unix.c is no longer built as module.

Let's remove unnecessary #if condition, exitcall, and module macros.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20231026212305.45545-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e10d07c76044ac395724d162ed56d9a3c9f37943..45506a95b25f8acdb99699c3c9256f50d0e7e5d0 100644 (file)
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -3344,7 +3344,7 @@ static const struct seq_operations unix_seq_ops = {
        .show   = unix_seq_show,
 };
 
-#if IS_BUILTIN(CONFIG_UNIX) && defined(CONFIG_BPF_SYSCALL)
+#ifdef CONFIG_BPF_SYSCALL
 struct bpf_unix_iter_state {
        struct seq_net_private p;
        unsigned int cur_sk;
@@ -3606,7 +3606,7 @@ static struct pernet_operations unix_net_ops = {
        .exit = unix_net_exit,
 };
 
-#if IS_BUILTIN(CONFIG_UNIX) && defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
 DEFINE_BPF_ITER_FUNC(unix, struct bpf_iter_meta *meta,
                     struct unix_sock *unix_sk, uid_t uid)
 
@@ -3706,7 +3706,7 @@ static int __init af_unix_init(void)
        register_pernet_subsys(&unix_net_ops);
        unix_bpf_build_proto();
 
-#if IS_BUILTIN(CONFIG_UNIX) && defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
        bpf_iter_register();
 #endif
 
@@ -3714,20 +3714,5 @@ out:
        return rc;
 }
 
-static void __exit af_unix_exit(void)
-{
-       sock_unregister(PF_UNIX);
-       proto_unregister(&unix_dgram_proto);
-       proto_unregister(&unix_stream_proto);
-       unregister_pernet_subsys(&unix_net_ops);
-}
-
-/* Earlier than device_initcall() so that other drivers invoking
-   request_module() don't end up in a loop when modprobe tries
-   to use a UNIX socket. But later than subsys_initcall() because
-   we depend on stuff initialised there */
+/* Later than subsys_initcall() because we depend on stuff initialised there */
 fs_initcall(af_unix_init);
-module_exit(af_unix_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_NETPROTO(PF_UNIX);