函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\keys\key.c Create Date:2022-07-27 19:51:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：gister_key_type - Register a type of key.*@ktype: The new key type.* Register a new key type.* Returns 0 on success or -EEXIST if a type of this name already exists.

函数原型：int register_key_type(struct key_type *ktype)

返回类型：int

参数：

类型参数名称
struct key_type *ktype
1132  memset( & key->sem lock class , 0, key->sem lock class 的长度)
1134  ret等于负EEXIST
1135  lock for writing
1139  如果字符串比较恒等于0则转到:out
1144  添加链表项
1146  打印注释信息("Key type %s registered\n", ame of the type )
1147  ret等于0
1149  out :
1150  lease a write lock
1151  返回:ret
调用者
名称描述
big_key_initRegister key type
init_trusted
init_encrypted
fscrypt_init_keyring