函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\keys\request_key.c Create Date:2022-07-27 19:57:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：check_cached_key

函数原型：static struct key *check_cached_key(struct keyring_search_context *ctx)

返回类型：struct key

参数：

类型参数名称
struct keyring_search_context *ctx
33  返回:NULL
调用者
名称描述
request_key_and_linkquest_key_and_link - Request a key and cache it in a keyring.*@type: The type of key we want.*@description: The searchable description of the key.*@domain_tag: The domain in which the key operates.
request_key_rcuquest_key_rcu - Request key from RCU-read-locked context*@type: The type of key we want.*@description: The name of the key we want.*@domain_tag: The domain in which the key operates.* Request a key from a context that we may not sleep in (such as RCU-mode