函数逻辑报告

函数名称：smk_read_ambient - read() for /smack/ambient*@filp: file pointer, not actually used*@buf: where to put the result*@cn: maximum to send along*@ppos: where to start* Returns number of bytes read or error code, as appropriate

函数原型：static ssize_t smk_read_ambient(struct file *filp, char __user *buf, size_t cn, loff_t *ppos)

返回类型：ssize_t

参数：