ocfs2: clean up some unnecessary code

Several functions have some unnecessary code, clean up these code.

Link: http://lkml.kernel.org/r/5B14DF72.5020800@huawei.com
Signed-off-by: Yan Wang <wangyan122@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/cluster/tcp.c

@@ -872,8 +872,6 @@ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len,
 				"for type %u key %08x\n", msg_type, key);
 	}
 	write_unlock(&o2net_handler_lock);
-	if (ret)
-		goto out;
 
 out:
 	if (ret)