函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\compat.c Create Date:2022-07-27 12:07:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__compat_get_timeval

函数原型：static int __compat_get_timeval(struct timeval *tv, const struct old_timeval32 __user *ctv)

返回类型：int

参数：

类型参数名称
struct timeval *tv
const struct old_timeval32 __user *ctv
31  返回:如果非access_ok - Checks if a user space pointer is valid*@addr: User space pointer to start of block to check*@size: Size of block to check* Context: User context only. This function may sleep if pagefaults are* enabled.(ctv, ctv的长度)或__get_user - Get a simple variable from user space, with less checking( seconds , & tv_sec)或__get_user - Get a simple variable from user space, with less checking( microseconds , & tv_usec)则负EFAULT否则0
调用者
名称描述
compat_get_timeval