函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\selinux\selinuxfs.c Create Date:2022-07-27 20:37:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sel_read_perm

函数原型：static ssize_t sel_read_perm(struct file *file, char __user *buf, size_t count, loff_t *ppos)

返回类型：ssize_t

参数：

类型参数名称
struct file *file
char __user *buf
size_tcount
loff_t *ppos
1687  ino等于Stat data, not accessed from path walking
1689  len等于snprintf - Format a string and place it in a buffer*@buf: The buffer to place the result into*@size: The size of the buffer, including the trailing null space*@fmt: The format string to use*@
1690  返回:simple_read_from_buffer(buf, count, ppos, res, len)