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KEYS: Fix up comments in key management code

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Fix up comments in the key management code.  No functional changes.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells
2011-01-20 16:38:33 +00:00
committed by Linus Torvalds
parent a8b17ed019
commit 973c9f4f49
11 changed files with 777 additions and 366 deletions
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25
security/keys/permission.c
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@@ -1,4 +1,4 @@
/* permission.c: key permission determination
/* Key permission checking
*
* Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@@ -15,15 +15,17 @@
/**
* key_task_permission - Check a key can be used
* @key_ref: The key to check
* @cred: The credentials to use
* @perm: The permissions to check for
* @key_ref: The key to check.
* @cred: The credentials to use.
* @perm: The permissions to check for.
*
* Check to see whether permission is granted to use a key in the desired way,
* but permit the security modules to override.
*
* The caller must hold either a ref on cred or must hold the RCU readlock or a
* spinlock.
* The caller must hold either a ref on cred or must hold the RCU readlock.
*
* Returns 0 if successful, -EACCES if access is denied based on the
* permissions bits or the LSM check.
*/
int key_task_permission(const key_ref_t key_ref, const struct cred *cred,
key_perm_t perm)
@@ -79,11 +81,15 @@ use_these_perms:
/* let LSM be the final arbiter */
return security_key_permission(key_ref, cred, perm);
}
EXPORT_SYMBOL(key_task_permission);
/*
* validate a key
/**
* key_validate - Validate a key.
* @key: The key to be validated.
*
* Check that a key is valid, returning 0 if the key is okay, -EKEYREVOKED if
* the key's type has been removed or if the key has been revoked or
* -EKEYEXPIRED if the key has expired.
*/
int key_validate(struct key *key)
{
@@ -109,5 +115,4 @@ int key_validate(struct key *key)
error:
return ret;
}
EXPORT_SYMBOL(key_validate);