smb: server: remove unused ksmbd_transport_ops.prepare()

This is no longer needed for smbdirect.

Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/server/connection.c

@@ -376,9 +376,6 @@ int ksmbd_conn_handler_loop(void *p)
 	mutex_init(&conn->srv_mutex);
 	__module_get(THIS_MODULE);
 
-	if (t->ops->prepare && t->ops->prepare(t))
-		goto out;
-
 	max_req = server_conf.max_inflight_req;
 	conn->last_active = jiffies;
 	set_freezable();
@@ -470,7 +467,6 @@ int ksmbd_conn_handler_loop(void *p)
 		}
 	}
 
-out:
 	ksmbd_conn_set_releasing(conn);
 	/* Wait till all reference dropped to the Server object*/
 	ksmbd_debug(CONN, "Wait for all pending requests(%d)\n", atomic_read(&conn->r_count));

fs/smb/server/connection.h

@@ -127,7 +127,6 @@ struct ksmbd_conn_ops {
 };
 
 struct ksmbd_transport_ops {
-	int (*prepare)(struct ksmbd_transport *t);
 	void (*disconnect)(struct ksmbd_transport *t);
 	void (*shutdown)(struct ksmbd_transport *t);
 	int (*read)(struct ksmbd_transport *t, char *buf,