Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/crypto/akcipher.c b/crypto/akcipher.c
index cfbdb06..7d5cf49 100644
--- a/crypto/akcipher.c
+++ b/crypto/akcipher.c
@@ -1,14 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Public Key Encryption
*
* Copyright (c) 2015, Intel Corporation
* Authors: Tadeusz Struk <tadeusz.struk@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
*/
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -30,15 +25,12 @@
{
struct crypto_report_akcipher rakcipher;
- strncpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
+ memset(&rakcipher, 0, sizeof(rakcipher));
- if (nla_put(skb, CRYPTOCFGA_REPORT_AKCIPHER,
- sizeof(struct crypto_report_akcipher), &rakcipher))
- goto nla_put_failure;
- return 0;
+ strscpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
-nla_put_failure:
- return -EMSGSIZE;
+ return nla_put(skb, CRYPTOCFGA_REPORT_AKCIPHER,
+ sizeof(rakcipher), &rakcipher);
}
#else
static int crypto_akcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
@@ -122,10 +114,24 @@
base->cra_flags |= CRYPTO_ALG_TYPE_AKCIPHER;
}
+static int akcipher_default_op(struct akcipher_request *req)
+{
+ return -ENOSYS;
+}
+
int crypto_register_akcipher(struct akcipher_alg *alg)
{
struct crypto_alg *base = &alg->base;
+ if (!alg->sign)
+ alg->sign = akcipher_default_op;
+ if (!alg->verify)
+ alg->verify = akcipher_default_op;
+ if (!alg->encrypt)
+ alg->encrypt = akcipher_default_op;
+ if (!alg->decrypt)
+ alg->decrypt = akcipher_default_op;
+
akcipher_prepare_alg(alg);
return crypto_register_alg(base);
}