diff options
author | David Howells <dhowells@redhat.com> | 2011-01-20 19:38:33 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-22 01:59:30 +0300 |
commit | 973c9f4f49ca96a53bcf6384c4c59ccd26c33906 (patch) | |
tree | e3535a43c1e5cb5f0c06c040f58bc25c9b869fd1 /security/keys/internal.h | |
parent | a8b17ed019bd40d3bfa20439d9c36a99f9be9180 (diff) | |
download | linux-973c9f4f49ca96a53bcf6384c4c59ccd26c33906.tar.xz |
KEYS: Fix up comments in key management code
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>
Diffstat (limited to 'security/keys/internal.h')
-rw-r--r-- | security/keys/internal.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/security/keys/internal.h b/security/keys/internal.h index 56a133d8f37d..edfa50dbd6f5 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -1,4 +1,4 @@ -/* internal.h: authentication token and access key management internal defs +/* Authentication token and access key management internal defs * * Copyright (C) 2003-5, 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -35,10 +35,12 @@ extern struct key_type key_type_user; /*****************************************************************************/ /* - * keep track of keys for a user - * - this needs to be separate to user_struct to avoid a refcount-loop - * (user_struct pins some keyrings which pin this struct) - * - this also keeps track of keys under request from userspace for this UID + * Keep track of keys for a user. + * + * This needs to be separate to user_struct to avoid a refcount-loop + * (user_struct pins some keyrings which pin this struct). + * + * We also keep track of keys under request from userspace for this UID here. */ struct key_user { struct rb_node node; @@ -62,7 +64,7 @@ extern struct key_user *key_user_lookup(uid_t uid, extern void key_user_put(struct key_user *user); /* - * key quota limits + * Key quota limits. * - root has its own separate limits to everyone else */ extern unsigned key_quota_root_maxkeys; @@ -146,13 +148,13 @@ extern unsigned key_gc_delay; extern void keyring_gc(struct key *keyring, time_t limit); extern void key_schedule_gc(time_t expiry_at); -/* - * check to see whether permission is granted to use a key in the desired way - */ extern int key_task_permission(const key_ref_t key_ref, const struct cred *cred, key_perm_t perm); +/* + * Check to see whether permission is granted to use a key in the desired way. + */ static inline int key_permission(const key_ref_t key_ref, key_perm_t perm) { return key_task_permission(key_ref, current_cred(), perm); @@ -168,7 +170,7 @@ static inline int key_permission(const key_ref_t key_ref, key_perm_t perm) #define KEY_ALL 0x3f /* all the above permissions */ /* - * request_key authorisation + * Authorisation record for request_key(). */ struct request_key_auth { struct key *target_key; @@ -188,7 +190,7 @@ extern struct key *request_key_auth_new(struct key *target, extern struct key *key_get_instantiation_authkey(key_serial_t target_id); /* - * keyctl functions + * keyctl() functions */ extern long keyctl_get_keyring_ID(key_serial_t, int); extern long keyctl_join_session_keyring(const char __user *); @@ -214,7 +216,7 @@ extern long keyctl_get_security(key_serial_t keyid, char __user *buffer, extern long keyctl_session_to_parent(void); /* - * debugging key validation + * Debugging key validation */ #ifdef KEY_DEBUGGING extern void __key_check(const struct key *); |