函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\trampoline.c Create Date:2022-07-27 14:32:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：pf_trampoline_unlink_prog() should never fail.

函数原型：int bpf_trampoline_unlink_prog(struct bpf_prog *prog)

返回类型：int

参数：

类型参数名称
struct bpf_prog *prog
229  tr等于trampoline
230  kind等于bpf_attach_type_to_tramp( For some prog types )
231  mutex_lock( & serializes access to fields of this trampoline )
232  hlist_del( & tramp_hlist)
233  Number of attached programs. A counter per kind. [kind]自减
234  err等于bpf_trampoline_update(trampoline)
235  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
236  返回:err
调用者
名称描述
bpf_tracing_prog_attach
bpf_tracing_prog_release