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 20:37:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sel_read_initcon

函数原型：static ssize_t sel_read_initcon(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
1605  fsi等于s_fs_info
1610  sid等于Stat data, not accessed from path walking 按位与SEL_INO_MASK
1611  ret等于security_sid_to_context(state, sid, & con, & len)
1612  如果ret则返回:ret
1615  ret等于simple_read_from_buffer(buf, count, ppos, con, len)
1616  释放内存
1617  返回:ret