函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\syscall.c Create Date:2022-07-27 14:06:26
Last Modify:2022-05-19 18:06:12 Copyright©Brick
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函数名称：bpf_obj_get

函数原型：static int bpf_obj_get(const union bpf_attr *attr)

返回类型：int

参数：

类型参数名称
const union bpf_attr *attr
1867  如果helper macro to check that unused fields 'union bpf_attr' are zero (BPF_OBJ)或bpf_fd不等于0或file_flags按位与BPF_OBJ_FLAG_MASK的反则返回:负EINVAL
1871  返回:bpf_obj_get_user(u64_to_user_ptr( anonymous struct used by BPF_OBJ_* commands ), file_flags)