1 files changed, 0 insertions, 139 deletions
diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c
deleted file mode 100644
index db81ed527452..000000000000
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c
+++ /dev/null
@@ -1,139 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see http://www.gnu.org/licenses
- *
- * Please  visit http://www.xyratex.com/contact if you need additional
- * information or have any questions.
- *
- * GPL HEADER END
- */
-
-/*
- * Copyright 2012 Xyratex Technology Limited
- */
-
-/*
- * This is crypto api shash wrappers to zlib_adler32.
- */
-
-#include <linux/module.h>
-#include <linux/zutil.h>
-#include <crypto/internal/hash.h>
-#include "linux-crypto.h"
-
-#define CHKSUM_BLOCK_SIZE	1
-#define CHKSUM_DIGEST_SIZE	4
-
-static int adler32_cra_init(struct crypto_tfm *tfm)
-{
-	u32 *key = crypto_tfm_ctx(tfm);
-
-	*key = 1;
-
-	return 0;
-}
-
-static int adler32_setkey(struct crypto_shash *hash, const u8 *key,
-			  unsigned int keylen)
-{
-	u32 *mctx = crypto_shash_ctx(hash);
-
-	if (keylen != sizeof(u32)) {
-		crypto_shash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);
-		return -EINVAL;
-	}
-	*mctx = *(u32 *)key;
-	return 0;
-}
-
-static int adler32_init(struct shash_desc *desc)
-{
-	u32 *mctx = crypto_shash_ctx(desc->tfm);
-	u32 *cksump = shash_desc_ctx(desc);
-
-	*cksump = *mctx;
-
-	return 0;
-}
-
-static int adler32_update(struct shash_desc *desc, const u8 *data,
-			  unsigned int len)
-{
-	u32 *cksump = shash_desc_ctx(desc);
-
-	*cksump = zlib_adler32(*cksump, data, len);
-	return 0;
-}
-
-static int __adler32_finup(u32 *cksump, const u8 *data, unsigned int len,
-			   u8 *out)
-{
-	*(u32 *)out = zlib_adler32(*cksump, data, len);
-	return 0;
-}
-
-static int adler32_finup(struct shash_desc *desc, const u8 *data,
-			 unsigned int len, u8 *out)
-{
-	return __adler32_finup(shash_desc_ctx(desc), data, len, out);
-}
-
-static int adler32_final(struct shash_desc *desc, u8 *out)
-{
-	u32 *cksump = shash_desc_ctx(desc);
-
-	*(u32 *)out = *cksump;
-	return 0;
-}
-
-static int adler32_digest(struct shash_desc *desc, const u8 *data,
-			  unsigned int len, u8 *out)
-{
-	return __adler32_finup(crypto_shash_ctx(desc->tfm), data, len,
-				    out);
-}
-
-static struct shash_alg alg = {
-	.setkey		= adler32_setkey,
-	.init		= adler32_init,
-	.update		= adler32_update,
-	.final		= adler32_final,
-	.finup		= adler32_finup,
-	.digest		= adler32_digest,
-	.descsize	= sizeof(u32),
-	.digestsize	= CHKSUM_DIGEST_SIZE,
-	.base		= {
-		.cra_name		= "adler32",
-		.cra_driver_name	= "adler32-zlib",
-		.cra_priority		= 100,
-		.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,
-		.cra_blocksize		= CHKSUM_BLOCK_SIZE,
-		.cra_ctxsize		= sizeof(u32),
-		.cra_module		= THIS_MODULE,
-		.cra_init		= adler32_cra_init,
-	}
-};
-
-int cfs_crypto_adler32_register(void)
-{
-	return crypto_register_shash(&alg);
-}
-
-void cfs_crypto_adler32_unregister(void)
-{
-	crypto_unregister_shash(&alg);
-}