From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5E2A3EB64DA for ; Tue, 18 Jul 2023 13:14:52 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=TdkMaJKD; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4R4zvH0Chwz3dHF for ; Tue, 18 Jul 2023 23:14:51 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=TdkMaJKD; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=ardb@kernel.org; receiver=lists.ozlabs.org) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4R4zb24m20z3c4v for ; Tue, 18 Jul 2023 23:00:46 +1000 (AEST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 073026154D; Tue, 18 Jul 2023 13:00:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19995C433C8; Tue, 18 Jul 2023 13:00:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689685244; bh=peXwgO2lyNmi+9SzG2/BdcMLN+f3eLd+y3jKWWgC8aQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TdkMaJKDTq+zIO7n8GZ1p6h2kCkWyoQVZH6lj/cGZHSgU+hRHEGX2iJAp83rnSOSw 7z9yGPVhvdymwCEL/bh89Q8SPgY4CGLXiUiwegZaO9RFiOtmVHD620zWrulzIqz5Fb oq/U8LcSSgYAhLAOktz0OpCjr70/kOCmzLQ6DxPxetv6QlNyKsHj+iXub0jCsLR1Sm IJDQqMIEunRPZAZFwtvCBglfCVX835YwoD6m9c1UhYZ7Kvl4djZ1iyX/sb4o3m+kkP je/3k07aXFsZyASrqrqqy4HUICL9jUliyuYYU7ZL7rFU5X0e1s0NlXXKEc8+v7E88r 3gw+gyBOgIZzA== From: Ard Biesheuvel To: linux-crypto@vger.kernel.org Subject: [RFC PATCH 16/21] crypto: zstd - drop obsolete 'comp' implementation Date: Tue, 18 Jul 2023 14:58:42 +0200 Message-Id: <20230718125847.3869700-17-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230718125847.3869700-1-ardb@kernel.org> References: <20230718125847.3869700-1-ardb@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3114; i=ardb@kernel.org; h=from:subject; bh=peXwgO2lyNmi+9SzG2/BdcMLN+f3eLd+y3jKWWgC8aQ=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIWVbT8NRrezVU4/VCR9T1G2en+U6PT268mNR7qltf/yWr W6dw1vRUcrCIMbBICumyCIw+++7nacnStU6z5KFmcPKBDKEgYtTACZysIDhD+duhXelu1kOWUzm bLrUfPHM98LuO2wvAxnCS2eFBF6LbGFkmFyxW636Xq/aoeVKTyexvWCOycrYJXNa+3NcRWVSweN 3LAA= X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Giovanni Cabiddu , Eric Dumazet , linux-mtd@lists.infradead.org, Ard Biesheuvel , Steffen Klassert , Herbert Xu , Minchan Kim , Richard Weinberger , qat-linux@intel.com, Eric Biggers , Jakub Kicinski , Paolo Abeni , Kees Cook , linux-block@vger.kernel.org, Nick Terrell , Jens Axboe , netdev@vger.kernel.org, David Ahern , linux-kernel@vger.kernel.org, Sergey Senozhatsky , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The 'comp' API is obsolete and will be removed, so remove this comp implementation. Signed-off-by: Ard Biesheuvel --- crypto/zstd.c | 56 +------------------- 1 file changed, 1 insertion(+), 55 deletions(-) diff --git a/crypto/zstd.c b/crypto/zstd.c index 154a969c83a82277..c6e6f135c5812c9c 100644 --- a/crypto/zstd.c +++ b/crypto/zstd.c @@ -121,13 +121,6 @@ static void *zstd_alloc_ctx(struct crypto_scomp *tfm) return ctx; } -static int zstd_init(struct crypto_tfm *tfm) -{ - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - return __zstd_init(ctx); -} - static void __zstd_exit(void *ctx) { zstd_comp_exit(ctx); @@ -140,13 +133,6 @@ static void zstd_free_ctx(struct crypto_scomp *tfm, void *ctx) kfree_sensitive(ctx); } -static void zstd_exit(struct crypto_tfm *tfm) -{ - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - __zstd_exit(ctx); -} - static int __zstd_compress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) { @@ -161,14 +147,6 @@ static int __zstd_compress(const u8 *src, unsigned int slen, return 0; } -static int zstd_compress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - return __zstd_compress(src, slen, dst, dlen, ctx); -} - static int zstd_scompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -189,14 +167,6 @@ static int __zstd_decompress(const u8 *src, unsigned int slen, return 0; } -static int zstd_decompress(struct crypto_tfm *tfm, const u8 *src, - unsigned int slen, u8 *dst, unsigned int *dlen) -{ - struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); - - return __zstd_decompress(src, slen, dst, dlen, ctx); -} - static int zstd_sdecompress(struct crypto_scomp *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, void *ctx) @@ -204,19 +174,6 @@ static int zstd_sdecompress(struct crypto_scomp *tfm, const u8 *src, return __zstd_decompress(src, slen, dst, dlen, ctx); } -static struct crypto_alg alg = { - .cra_name = "zstd", - .cra_driver_name = "zstd-generic", - .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, - .cra_ctxsize = sizeof(struct zstd_ctx), - .cra_module = THIS_MODULE, - .cra_init = zstd_init, - .cra_exit = zstd_exit, - .cra_u = { .compress = { - .coa_compress = zstd_compress, - .coa_decompress = zstd_decompress } } -}; - static struct scomp_alg scomp = { .alloc_ctx = zstd_alloc_ctx, .free_ctx = zstd_free_ctx, @@ -231,22 +188,11 @@ static struct scomp_alg scomp = { static int __init zstd_mod_init(void) { - int ret; - - ret = crypto_register_alg(&alg); - if (ret) - return ret; - - ret = crypto_register_scomp(&scomp); - if (ret) - crypto_unregister_alg(&alg); - - return ret; + return crypto_register_scomp(&scomp); } static void __exit zstd_mod_fini(void) { - crypto_unregister_alg(&alg); crypto_unregister_scomp(&scomp); } -- 2.39.2