Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\compat_ioctl.c Create Date:2022-07-28 18:00:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:compat_put_long

Proto:static int compat_put_long(unsigned long arg, long val)

Type:int

Parameter:

TypeParameterName
unsigned longarg
longval
32  Return Write a simple value into user space(val, (compat_long_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.)
Caller
NameDescribe
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.