Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\btf.c Create Date:2022-07-28 13:19:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:btf_struct_check_member

Proto:static int btf_struct_check_member(struct btf_verifier_env *env, const struct btf_type *struct_type, const struct btf_member *member, const struct btf_type *member_type)

Type:int

Parameter:

TypeParameterName
struct btf_verifier_env *env
const struct btf_type *struct_type
const struct btf_member *member
const struct btf_type *member_type
2110  struct_bits_off = If the type info kind_flag is set, the btf_member offset* contains both member bitfield size and bit offset. The* bitfield size is set for bitfield members. If the type* info kind_flag is not set, the offset contains only bit* offset.
2113  If BITS_PER_BYTE_MASKED(struct_bits_off) Then
2114  btf_verifier_log_member(env, struct_type, member, "Member is not byte aligned")
2116  Return -EINVAL
2119  struct_size = size
2120  bytes_offset = BITS_ROUNDDOWN_BYTES(struct_bits_off)
2121  If struct_size - bytes_offset < size Then
2122  btf_verifier_log_member(env, struct_type, member, "Member exceeds struct_size")
2124  Return -EINVAL
2127  Return 0