[RESEND][PATCH] keys: Update comment for restrict_link_by_key_or_keyring_chain

[Andrew Zaborowski <andrew.zaborowski@intel.com>]

Add the bit of information that makes
restrict_link_by_key_or_keyring_chain different from
restrict_link_by_key_or_keyring to the inline docs comment.

Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
---
 crypto/asymmetric_keys/restrict.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/crypto/asymmetric_keys/restrict.c b/crypto/asymmetric_keys/restrict.c
index 77ebebada29..84cefe3b358 100644
--- a/crypto/asymmetric_keys/restrict.c
+++ b/crypto/asymmetric_keys/restrict.c
@@ -244,9 +244,10 @@ int restrict_link_by_key_or_keyring(struct key *dest_keyring,
  * @payload: The payload of the new key.
  * @trusted: A key or ring of keys that can be used to vouch for the new cert.
  *
- * Check the new certificate only against the key or keys passed in the data
- * parameter. If one of those is the signing key and validates the new
- * certificate, then mark the new certificate as being ok to link.
+ * Check the new certificate against the key or keys passed in the data
+ * parameter and against the keys already linked to the destination keyring. If
+ * one of those is the signing key and validates the new certificate, then mark
+ * the new certificate as being ok to link.
  *
  * Returns 0 if the new certificate was accepted, -ENOKEY if we
  * couldn't find a matching parent certificate in the trusted list,
-- 
2.20.1