regmap: debugfs: Don't bother actually printing when calculating max length

[firefly-linux-kernel-4.4.55.git] / crypto / ccm.c

diff --git a/crypto/ccm.c b/crypto/ccm.c
index 499c91717d937bfaba9364a5bcde94988626195c..c569c9c6afe32b88760b571a77ae0f3774cd84d7 100644 (file)
--- a/crypto/ccm.c
+++ b/crypto/ccm.c
@@ -271,7 +271,8 @@ static int crypto_ccm_auth(struct aead_request *req, struct scatterlist *plain,
        }
 
        /* compute plaintext into mac */
-       get_data_to_compute(cipher, pctx, plain, cryptlen);
+       if (cryptlen)
+               get_data_to_compute(cipher, pctx, plain, cryptlen);
 
 out:
        return err;
@@ -878,5 +879,6 @@ module_exit(crypto_ccm_module_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Counter with CBC MAC");
-MODULE_ALIAS("ccm_base");
-MODULE_ALIAS("rfc4309");
+MODULE_ALIAS_CRYPTO("ccm_base");
+MODULE_ALIAS_CRYPTO("rfc4309");
+MODULE_ALIAS_CRYPTO("ccm");