X.509: x509_request_asymmetric_keys() doesn't need string length arguments

x509_request_asymmetric_keys() doesn't need the lengths of the NUL-terminated
strings passing in as it can work that out for itself.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index a0f7cd196c9b..4ae982234d78 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -48,11 +48,10 @@ __setup("ca_keys=", ca_keys_setup);
  */
 static struct key *x509_request_asymmetric_key(struct key *keyring,
                                                const char *signer,
-                                               size_t signer_len,
-                                               const char *authority,
-                                               size_t auth_len)
+                                               const char *authority)
 {
         key_ref_t key;
+        size_t signer_len = strlen(signer), auth_len = strlen(authority);
         char *id;
 
         /* Construct an identifier. */
@@ -193,9 +192,7 @@ static int x509_validate_trust(struct x509_certificate *cert,
                 return -EPERM;
 
         key = x509_request_asymmetric_key(trust_keyring,
-                                          cert->issuer, strlen(cert->issuer),
-                                          cert->authority,
-                                          strlen(cert->authority));
+                                          cert->issuer, cert->authority);
         if (!IS_ERR(key))  {
                 if (!use_builtin_keys
                     || test_bit(KEY_FLAG_BUILTIN, &key->flags))