函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\char_dev.c Create Date:2022-07-29 10:32:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cdev_dynamic_release

函数原型：static void cdev_dynamic_release(struct kobject *kobj)

返回类型：void

参数：

类型参数名称
struct kobject *kobj
609  p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.(kobj, structcdev, kobj)
610  parent等于父设备指针
612  cdev_purge(p)
613  释放内存
614  递减引用计数对象