函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\notifier-error-inject.c Create Date:2022-07-27 08:09:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：notifier_err_inject_callback

函数原型：static int notifier_err_inject_callback(struct notifier_block *nb, unsigned long val, void *p)

返回类型：int

参数：

类型参数名称
struct notifier_block *nb
unsigned longval
void *p
30  err等于0
31  err_inject等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(nb, structnotifier_err_inject, nb)
35  以name循环
36  如果val恒等于val则
37  err等于error
38  退出
41  如果err则打印信息("Injecting error (%d) to %s\n", err, name)
44  返回:Encapsulate (negative) errno value (in particular, NOTIFY_BAD <=> EPERM).