Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\checksum.h Create Date:2022-07-28 05:51:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:csum_and_copy_from_user

Proto:static inline __wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr)

Type:__wsum

Parameter:

TypeParameterName
const void __user *src
void *dst
intlen
__wsumsum
int *err_ptr
29  If access_ok(src, len) Then Return csum_partial_copy_from_user(src, dst, len, sum, err_ptr)
32  If len Then err_ptr = -EFAULT
35  Return sum
Caller
NameDescribe
csum_and_copy_from_iter
csum_and_copy_from_iter_full