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keys: Update comment for restrict_link_by_key_or_keyring_chain 

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>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
This commit is contained in:
Andrew Zaborowski 2021-01-04 17:40:48 +01:00 committed by Jarkko Sakkinen
parent 724eaba40e
commit 40d32b59e3
1 changed files with 4 additions and 3 deletions
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7
crypto/asymmetric_keys/restrict.c
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@ -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,