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-rw-r--r--security/keys/keyring.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index e14f09e3a4b0..5b218b270598 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -520,7 +520,7 @@ EXPORT_SYMBOL(keyring_alloc);
* @keyring: The keyring being added to.
* @type: The type of key being added.
* @payload: The payload of the key intended to be added.
- * @data: Additional data for evaluating restriction.
+ * @restriction_key: Keys providing additional data for evaluating restriction.
*
* Reject the addition of any links to a keyring. It can be overridden by
* passing KEY_ALLOC_BYPASS_RESTRICTION to key_instantiate_and_link() when
@@ -976,9 +976,13 @@ static bool keyring_detect_restriction_cycle(const struct key *dest_keyring,
/**
* keyring_restrict - Look up and apply a restriction to a keyring
- *
- * @keyring: The keyring to be restricted
+ * @keyring_ref: The keyring to be restricted
+ * @type: The key type that will provide the restriction checker.
* @restriction: The restriction options to apply to the keyring
+ *
+ * Look up a keyring and apply a restriction to it. The restriction is managed
+ * by the specific key type, but can be configured by the options specified in
+ * the restriction string.
*/
int keyring_restrict(key_ref_t keyring_ref, const char *type,
const char *restriction)