static int __register_ftrace_function(struct ftrace_ops *ops)
{
- if (ftrace_disabled)
+ if (unlikely(ftrace_disabled))
return -ENODEV;
if (FTRACE_WARN_ON(ops == &global_ops))
mutex_lock(&ftrace_lock);
- if (unlikely(ftrace_disabled))
- goto out_unlock;
-
ret = __register_ftrace_function(ops);
if (!ret)
ret = ftrace_startup(ops, 0);
-
- out_unlock:
mutex_unlock(&ftrace_lock);
+
return ret;
}
EXPORT_SYMBOL_GPL(register_ftrace_function);