add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/crypto/ecdh.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* ECDH key-agreement protocol
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  *
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  * Copyright (c) 2016, Intel Corporation
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  * Authors: Salvator Benedetto <salvatore.benedetto@intel.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/module.h>
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@@ -130,7 +126,7 @@
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 	/* fall through */
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 free_all:
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-	kzfree(shared_secret);
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+	kfree_sensitive(shared_secret);
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 free_pubkey:
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 	kfree(public_key);
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 	return ret;
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@@ -168,7 +164,7 @@
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 	crypto_unregister_kpp(&ecdh);
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 }
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-module_init(ecdh_init);
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+subsys_initcall(ecdh_init);
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 module_exit(ecdh_exit);
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 MODULE_ALIAS_CRYPTO("ecdh");
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 MODULE_LICENSE("GPL");