diff options
Diffstat (limited to 'include/linux/key-type.h')
| -rw-r--r-- | include/linux/key-type.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/key-type.h b/include/linux/key-type.h index eaee981c5558..8496cf64575c 100644 --- a/include/linux/key-type.h +++ b/include/linux/key-type.h @@ -147,6 +147,14 @@ struct key_type { */ request_key_actor_t request_key; + /* Look up a keyring access restriction (optional) + * + * - NULL is a valid return value (meaning the requested restriction + * is known but will never block addition of a key) + * - should return -EINVAL if the restriction is unknown + */ + struct key_restriction *(*lookup_restriction)(const char *params); + /* internal fields */ struct list_head link; /* link in types list */ struct lock_class_key lock_class; /* key->sem lock class */ |