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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/padlock-sha.c
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@@ -1,15 +1,10 @@
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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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  * Support for VIA PadLock hardware crypto engine.
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  *
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  * Copyright (c) 2006  Michal Ludvig <michal@logix.cz>
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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  */
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9
 
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 #include <crypto/internal/hash.h>
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@@ -39,7 +34,6 @@
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 	struct padlock_sha_ctx *ctx = crypto_shash_ctx(desc->tfm);
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 	dctx->fallback.tfm = ctx->fallback;
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-	dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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 	return crypto_shash_init(&dctx->fallback);
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 }
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@@ -48,7 +42,6 @@
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 {
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 	struct padlock_sha_desc *dctx = shash_desc_ctx(desc);
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44
 
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-	dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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 	return crypto_shash_update(&dctx->fallback, data, length);
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 }
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@@ -65,7 +58,6 @@
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 	struct padlock_sha_ctx *ctx = crypto_shash_ctx(desc->tfm);
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 	dctx->fallback.tfm = ctx->fallback;
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-	dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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 	return crypto_shash_import(&dctx->fallback, in);
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 }
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@@ -91,7 +83,6 @@
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 	unsigned int leftover;
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 	int err;
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-	dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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 	err = crypto_shash_export(&dctx->fallback, &state);
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 	if (err)
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 		goto out;
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@@ -153,7 +144,6 @@
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 	unsigned int leftover;
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 	int err;
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-	dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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 	err = crypto_shash_export(&dctx->fallback, &state);
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 	if (err)
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 		goto out;
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@@ -200,13 +190,11 @@
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 	return padlock_sha256_finup(desc, buf, 0, out);
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 }
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-static int padlock_cra_init(struct crypto_tfm *tfm)
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+static int padlock_init_tfm(struct crypto_shash *hash)
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 {
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-	struct crypto_shash *hash = __crypto_shash_cast(tfm);
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-	const char *fallback_driver_name = crypto_tfm_alg_name(tfm);
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-	struct padlock_sha_ctx *ctx = crypto_tfm_ctx(tfm);
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+	const char *fallback_driver_name = crypto_shash_alg_name(hash);
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+	struct padlock_sha_ctx *ctx = crypto_shash_ctx(hash);
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 	struct crypto_shash *fallback_tfm;
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-	int err = -ENOMEM;
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 	/* Allocate a fallback and abort if it failed. */
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 	fallback_tfm = crypto_alloc_shash(fallback_driver_name, 0,
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@@ -214,21 +202,17 @@
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 	if (IS_ERR(fallback_tfm)) {
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 		printk(KERN_WARNING PFX "Fallback driver '%s' could not be loaded!\n",
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 		       fallback_driver_name);
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-		err = PTR_ERR(fallback_tfm);
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-		goto out;
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+		return PTR_ERR(fallback_tfm);
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 	}
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 	ctx->fallback = fallback_tfm;
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 	hash->descsize += crypto_shash_descsize(fallback_tfm);
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 	return 0;
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-
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-out:
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-	return err;
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 }
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-static void padlock_cra_exit(struct crypto_tfm *tfm)
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+static void padlock_exit_tfm(struct crypto_shash *hash)
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 {
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-	struct padlock_sha_ctx *ctx = crypto_tfm_ctx(tfm);
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+	struct padlock_sha_ctx *ctx = crypto_shash_ctx(hash);
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 	crypto_free_shash(ctx->fallback);
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 }
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@@ -241,6 +225,8 @@
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 	.final  	=	padlock_sha1_final,
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 	.export		=	padlock_sha_export,
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 	.import		=	padlock_sha_import,
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+	.init_tfm	=	padlock_init_tfm,
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+	.exit_tfm	=	padlock_exit_tfm,
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 	.descsize	=	sizeof(struct padlock_sha_desc),
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 	.statesize	=	sizeof(struct sha1_state),
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 	.base		=	{
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@@ -251,8 +237,6 @@
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 		.cra_blocksize		=	SHA1_BLOCK_SIZE,
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 		.cra_ctxsize		=	sizeof(struct padlock_sha_ctx),
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 		.cra_module		=	THIS_MODULE,
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-		.cra_init		=	padlock_cra_init,
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-		.cra_exit		=	padlock_cra_exit,
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 	}
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 };
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@@ -264,6 +248,8 @@
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 	.final  	=	padlock_sha256_final,
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 	.export		=	padlock_sha_export,
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 	.import		=	padlock_sha_import,
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+	.init_tfm	=	padlock_init_tfm,
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+	.exit_tfm	=	padlock_exit_tfm,
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 	.descsize	=	sizeof(struct padlock_sha_desc),
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 	.statesize	=	sizeof(struct sha256_state),
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 	.base		=	{
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@@ -274,8 +260,6 @@
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 		.cra_blocksize		=	SHA256_BLOCK_SIZE,
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 		.cra_ctxsize		=	sizeof(struct padlock_sha_ctx),
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 		.cra_module		=	THIS_MODULE,
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-		.cra_init		=	padlock_cra_init,
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-		.cra_exit		=	padlock_cra_exit,
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 	}
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 };
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@@ -506,7 +490,7 @@
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 };
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 static const struct x86_cpu_id padlock_sha_ids[] = {
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-	X86_FEATURE_MATCH(X86_FEATURE_PHE),
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+	X86_MATCH_FEATURE(X86_FEATURE_PHE, NULL),
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 	{}
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 };
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 MODULE_DEVICE_TABLE(x86cpu, padlock_sha_ids);