change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/crypto/compress.c
..
..
@@ -1,44 +1,32 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Cryptographic API.
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  *
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  * Compression operations.
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  *
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  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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  */
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-#include <linux/types.h>
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 #include <linux/crypto.h>
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-#include <linux/errno.h>
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-#include <linux/string.h>
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 #include "internal.h"
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-static int crypto_compress(struct crypto_tfm *tfm,
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-                            const u8 *src, unsigned int slen,
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-                            u8 *dst, unsigned int *dlen)
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+int crypto_comp_compress(struct crypto_comp *comp,
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+			 const u8 *src, unsigned int slen,
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+			 u8 *dst, unsigned int *dlen)
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 {
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+	struct crypto_tfm *tfm = crypto_comp_tfm(comp);
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+
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 	return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
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 	                                                 dlen);
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 }
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+EXPORT_SYMBOL_GPL(crypto_comp_compress);
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-static int crypto_decompress(struct crypto_tfm *tfm,
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-                             const u8 *src, unsigned int slen,
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-                             u8 *dst, unsigned int *dlen)
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+int crypto_comp_decompress(struct crypto_comp *comp,
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+			   const u8 *src, unsigned int slen,
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+			   u8 *dst, unsigned int *dlen)
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 {
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+	struct crypto_tfm *tfm = crypto_comp_tfm(comp);
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+
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 	return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
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 	                                                   dlen);
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 }
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-
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-int crypto_init_compress_ops(struct crypto_tfm *tfm)
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-{
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-	struct compress_tfm *ops = &tfm->crt_compress;
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-
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-	ops->cot_compress = crypto_compress;
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-	ops->cot_decompress = crypto_decompress;
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-
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-	return 0;
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-}
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+EXPORT_SYMBOL_GPL(crypto_comp_decompress);