函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\compat_ioctl.c Create Date:2022-07-27 19:36:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：compat_put_int

函数原型：static int compat_put_int(unsigned long arg, int val)

返回类型：int

参数：

类型参数名称
unsigned longarg
intval
22  返回:put_user - Write a simple value into user space(val, (compat_int_t__user * )A pointer passed in from user mode. This should not* be used for syscall parameters, just declare them* as pointers because the syscall entry code will have* appropriately converted them already.)
调用者
名称描述
compat_blkdev_ioctlMost of the generic ioctls are handled in the normal fallback path.This assumes the blkdev's low level compat_ioctl always returnsENOIOCTLCMD for unknown ioctls.