函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\lsm.c Create Date:2022-07-27 21:37:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：apparmor_path_link

函数原型：static int apparmor_path_link(struct dentry *old_dentry, const struct path *new_dir, struct dentry *new_dentry)

返回类型：int

参数：

类型参数名称
struct dentry *old_dentry
const struct path *new_dir
struct dentry *new_dentry
340  error等于0
342  如果非path_mediated_fs(old_dentry)则返回:0
345  label等于gin_current_label_crit_section - current's confining label and update it* Returns: up to date confining label or the ns unconfined label (NOT NULL)* Not safe to call inside locks* The returned reference must be put with end_current_label_crit_section()*
346  如果非unconfined(label)则error等于aa_path_link(label, old_dentry, new_dir, new_dentry)
348  d_label_crit_section - put a reference found with begin_current_label..*@label: label reference to put* Should only be used with a reference obtained with* begin_current_label_crit_section and never used in situations where the* task cred may be updated
350  返回:error