Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\keys\process_keys.c Create Date:2022-07-28 18:22:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Install a thread keyring to the current task if it didn't have one already.* Return: 0 if a thread keyring is now present; -errno on failure.

Proto:static int install_thread_keyring(void)

Type:int

Parameter:Nothing

249  new = prepare_creds - Prepare a new set of credentials for modification* Prepare a new set of task credentials for modification
250  If Not new Then Return -ENOMEM
253  ret = Install a thread keyring to the given credentials struct if it didn't have* one already. This is allowed to overrun the quota.* Return: 0 if a thread keyring is now present; -errno on failure.
254  If ret < 0 Then
255  abort_creds - Discard a set of credentials and unlock the current task*@new: The credentials that were going to be applied* Discard a set of credentials that were under construction and unlock the* current task.
256  Return ret
259  Return mmit_creds - Install new credentials upon the current task*@new: The credentials to be assigned* Install a new set of credentials to the current task, using RCU to replace* the old set. Both the objective and the subjective credentials pointers are
Caller
NameDescribe
lookup_user_keyLook up a key ID given us by userspace with a given permissions mask to get* the key it refers to.* Flags can be passed to request that special keyrings be created if referred* to directly, to permit partially constructed keys to be found and to skip