write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/crypto/ccp/ccp-crypto-main.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * AMD Cryptographic Coprocessor (CCP) crypto API support
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  *
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  * Copyright (C) 2013,2017 Advanced Micro Devices, Inc.
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  *
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  * Author: Tom Lendacky <thomas.lendacky@amd.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -44,7 +41,7 @@
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 /* List heads for the supported algorithms */
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 static LIST_HEAD(hash_algs);
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-static LIST_HEAD(cipher_algs);
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+static LIST_HEAD(skcipher_algs);
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 static LIST_HEAD(aead_algs);
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 static LIST_HEAD(akcipher_algs);
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@@ -333,7 +330,7 @@
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 	int ret;
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 	if (!aes_disable) {
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-		ret = ccp_register_aes_algs(&cipher_algs);
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+		ret = ccp_register_aes_algs(&skcipher_algs);
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 		if (ret)
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 			return ret;
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@@ -341,7 +338,7 @@
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 		if (ret)
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 			return ret;
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-		ret = ccp_register_aes_xts_algs(&cipher_algs);
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+		ret = ccp_register_aes_xts_algs(&skcipher_algs);
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 		if (ret)
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 			return ret;
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@@ -351,7 +348,7 @@
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 	}
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 	if (!des3_disable) {
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-		ret = ccp_register_des3_algs(&cipher_algs);
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+		ret = ccp_register_des3_algs(&skcipher_algs);
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 		if (ret)
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 			return ret;
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 	}
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@@ -374,7 +371,7 @@
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 static void ccp_unregister_algs(void)
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 {
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 	struct ccp_crypto_ahash_alg *ahash_alg, *ahash_tmp;
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-	struct ccp_crypto_ablkcipher_alg *ablk_alg, *ablk_tmp;
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+	struct ccp_crypto_skcipher_alg *ablk_alg, *ablk_tmp;
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 	struct ccp_crypto_aead *aead_alg, *aead_tmp;
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 	struct ccp_crypto_akcipher_alg *akc_alg, *akc_tmp;
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@@ -384,8 +381,8 @@
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 		kfree(ahash_alg);
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 	}
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-	list_for_each_entry_safe(ablk_alg, ablk_tmp, &cipher_algs, entry) {
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-		crypto_unregister_alg(&ablk_alg->alg);
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+	list_for_each_entry_safe(ablk_alg, ablk_tmp, &skcipher_algs, entry) {
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+		crypto_unregister_skcipher(&ablk_alg->alg);
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 		list_del(&ablk_alg->entry);
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 		kfree(ablk_alg);
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 	}
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@@ -408,8 +405,10 @@
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 	int ret;
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 	ret = ccp_present();
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-	if (ret)
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+	if (ret) {
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+		pr_err("Cannot load: there are no available CCPs\n");
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 		return ret;
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+	}
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 	spin_lock_init(&req_queue_lock);
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 	INIT_LIST_HEAD(&req_queue.cmds);