From patchwork Mon Nov 19 19:53:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin LABBE X-Patchwork-Id: 10689369 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 59AB413AD for ; Mon, 19 Nov 2018 19:54:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4AD932A553 for ; Mon, 19 Nov 2018 19:54:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F52A2A2E8; Mon, 19 Nov 2018 19:54:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 787612A553 for ; Mon, 19 Nov 2018 19:54:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730638AbeKTGS5 (ORCPT ); Tue, 20 Nov 2018 01:18:57 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:46884 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730583AbeKTGS5 (ORCPT ); Tue, 20 Nov 2018 01:18:57 -0500 Received: by mail-wr1-f65.google.com with SMTP id l9so20478328wrt.13 for ; Mon, 19 Nov 2018 11:53:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dWXP8bfAb0arTsDj10OlXMvdF+qUKCfdBd1p6fv//0k=; b=WgzFCN0xFqeWAcNb8VOHdhvfIgcGokBsFM4XAduUZaK/RqpikvCzUTsT4ndkRYVwMM rfxJpuCLeXRTtvk9Sw3cQTPv8IrCezXtX5c5QaVCkYWtOzShA29H6NaZF/JHOzkIXctC pUK0cNe2XtfG7A4IPBfklXq4vGVqqaIZhdDn5J5IQyt7GeyuSObBRbjT8mV2ZtrlJNEn Qhrr0inyDDYzZON76+M2d+lSfBIncC4UrOZrUygQhB1fCxwfz91JGXDLD6jkExqo0xuV s5jVgxXTZlvH2MS3QUwcjTD0/ZTaoYcptPf2Fd7dH3v3S6BtRdIsuTTMXrKwirRrxMmw rLew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dWXP8bfAb0arTsDj10OlXMvdF+qUKCfdBd1p6fv//0k=; b=hwVhSqeoaxKAnaNCWZi4GU+Q3xBRYwiKAsl/sz8kzeXzumCJd8a24c0hnmzDtxUxZJ PUR0c3fRrK+NRFHSlhkYvYxegoKJbaU9B3YxMivDPIEMSsSAgTrTvCyMsDWhxn9IUiqP MpkhTIUsKfEMdL+LsQOqT1ONUmsm2LfV7m3rOcMwFeywqNDkBCD39h1xFQNx6F5Q1QKQ Ij1Bjuy6TLf2v4yescIdiIHnU02X4BcG6KX2NIkSMhc0wwypb6FXrC3mMvYFSblfq+4w sjcF4BGlUO6PDK2mUbO5SbT0GYJuIs2Yad00LrcHYKYMdOopKQzzndA6DBtRoeEzlCAJ 06RA== X-Gm-Message-State: AA+aEWZShrZxrZMYw4OaICLnzZ8nkxE+V4B8KMb5/draF9srEfbqBXQm TcPDdWJsMcoJmLD52+pXpyt6fg== X-Google-Smtp-Source: AFSGD/UcW/tNIIlfz2ZurNcSbGoikb2FnTxI3YEM8uNiqSoO5dgsGryH7oHlEgOKS1LNkmcF3GOkLw== X-Received: by 2002:a5d:45d0:: with SMTP id b16mr11207899wrs.86.1542657225074; Mon, 19 Nov 2018 11:53:45 -0800 (PST) Received: from localhost.localdomain ([51.15.160.169]) by smtp.googlemail.com with ESMTPSA id i16sm22954132wmd.28.2018.11.19.11.53.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 19 Nov 2018 11:53:44 -0800 (PST) From: Corentin Labbe To: davem@davemloft.net, ebiggers@kernel.org, herbert@gondor.apana.org.au, nhorman@tuxdriver.com Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Corentin Labbe Subject: [PATCH v2 09/11] crypto: crypto_user_stat: remove intermediate variable Date: Mon, 19 Nov 2018 19:53:28 +0000 Message-Id: <1542657210-37739-10-git-send-email-clabbe@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542657210-37739-1-git-send-email-clabbe@baylibre.com> References: <1542657210-37739-1-git-send-email-clabbe@baylibre.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The use of the v64 intermediate variable is useless, and removing it bring to much readable code. Signed-off-by: Corentin Labbe --- crypto/crypto_user_stat.c | 132 ++++++++++++-------------------------- 1 file changed, 41 insertions(+), 91 deletions(-) diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c index 838123758423..7b668c659122 100644 --- a/crypto/crypto_user_stat.c +++ b/crypto/crypto_user_stat.c @@ -34,22 +34,16 @@ struct crypto_dump_info { static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_aead raead; - u64 v64; memset(&raead, 0, sizeof(raead)); strscpy(raead.type, "aead", sizeof(raead.type)); - v64 = atomic64_read(&alg->encrypt_cnt); - raead.stat_encrypt_cnt = v64; - v64 = atomic64_read(&alg->encrypt_tlen); - raead.stat_encrypt_tlen = v64; - v64 = atomic64_read(&alg->decrypt_cnt); - raead.stat_decrypt_cnt = v64; - v64 = atomic64_read(&alg->decrypt_tlen); - raead.stat_decrypt_tlen = v64; - v64 = atomic64_read(&alg->aead_err_cnt); - raead.stat_aead_err_cnt = v64; + raead.stat_encrypt_cnt = atomic64_read(&alg->encrypt_cnt); + raead.stat_encrypt_tlen = atomic64_read(&alg->encrypt_tlen); + raead.stat_decrypt_cnt = atomic64_read(&alg->decrypt_cnt); + raead.stat_decrypt_tlen = atomic64_read(&alg->decrypt_tlen); + raead.stat_aead_err_cnt = atomic64_read(&alg->aead_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_AEAD, sizeof(raead), &raead); } @@ -57,22 +51,16 @@ static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_cipher rcipher; - u64 v64; memset(&rcipher, 0, sizeof(rcipher)); strscpy(rcipher.type, "cipher", sizeof(rcipher.type)); - v64 = atomic64_read(&alg->encrypt_cnt); - rcipher.stat_encrypt_cnt = v64; - v64 = atomic64_read(&alg->encrypt_tlen); - rcipher.stat_encrypt_tlen = v64; - v64 = atomic64_read(&alg->decrypt_cnt); - rcipher.stat_decrypt_cnt = v64; - v64 = atomic64_read(&alg->decrypt_tlen); - rcipher.stat_decrypt_tlen = v64; - v64 = atomic64_read(&alg->cipher_err_cnt); - rcipher.stat_cipher_err_cnt = v64; + rcipher.stat_encrypt_cnt = atomic64_read(&alg->encrypt_cnt); + rcipher.stat_encrypt_tlen = atomic64_read(&alg->encrypt_tlen); + rcipher.stat_decrypt_cnt = atomic64_read(&alg->decrypt_cnt); + rcipher.stat_decrypt_tlen = atomic64_read(&alg->decrypt_tlen); + rcipher.stat_cipher_err_cnt = atomic64_read(&alg->cipher_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher); } @@ -80,21 +68,15 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_compress rcomp; - u64 v64; memset(&rcomp, 0, sizeof(rcomp)); strscpy(rcomp.type, "compression", sizeof(rcomp.type)); - v64 = atomic64_read(&alg->compress_cnt); - rcomp.stat_compress_cnt = v64; - v64 = atomic64_read(&alg->compress_tlen); - rcomp.stat_compress_tlen = v64; - v64 = atomic64_read(&alg->decompress_cnt); - rcomp.stat_decompress_cnt = v64; - v64 = atomic64_read(&alg->decompress_tlen); - rcomp.stat_decompress_tlen = v64; - v64 = atomic64_read(&alg->compress_err_cnt); - rcomp.stat_compress_err_cnt = v64; + rcomp.stat_compress_cnt = atomic64_read(&alg->compress_cnt); + rcomp.stat_compress_tlen = atomic64_read(&alg->compress_tlen); + rcomp.stat_decompress_cnt = atomic64_read(&alg->decompress_cnt); + rcomp.stat_decompress_tlen = atomic64_read(&alg->decompress_tlen); + rcomp.stat_compress_err_cnt = atomic64_read(&alg->compress_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp); } @@ -102,21 +84,15 @@ static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_compress racomp; - u64 v64; memset(&racomp, 0, sizeof(racomp)); strscpy(racomp.type, "acomp", sizeof(racomp.type)); - v64 = atomic64_read(&alg->compress_cnt); - racomp.stat_compress_cnt = v64; - v64 = atomic64_read(&alg->compress_tlen); - racomp.stat_compress_tlen = v64; - v64 = atomic64_read(&alg->decompress_cnt); - racomp.stat_decompress_cnt = v64; - v64 = atomic64_read(&alg->decompress_tlen); - racomp.stat_decompress_tlen = v64; - v64 = atomic64_read(&alg->compress_err_cnt); - racomp.stat_compress_err_cnt = v64; + racomp.stat_compress_cnt = atomic64_read(&alg->compress_cnt); + racomp.stat_compress_tlen = atomic64_read(&alg->compress_tlen); + racomp.stat_decompress_cnt = atomic64_read(&alg->decompress_cnt); + racomp.stat_decompress_tlen = atomic64_read(&alg->decompress_tlen); + racomp.stat_compress_err_cnt = atomic64_read(&alg->compress_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp); } @@ -124,25 +100,17 @@ static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_akcipher(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_akcipher rakcipher; - u64 v64; memset(&rakcipher, 0, sizeof(rakcipher)); strscpy(rakcipher.type, "akcipher", sizeof(rakcipher.type)); - v64 = atomic64_read(&alg->encrypt_cnt); - rakcipher.stat_encrypt_cnt = v64; - v64 = atomic64_read(&alg->encrypt_tlen); - rakcipher.stat_encrypt_tlen = v64; - v64 = atomic64_read(&alg->decrypt_cnt); - rakcipher.stat_decrypt_cnt = v64; - v64 = atomic64_read(&alg->decrypt_tlen); - rakcipher.stat_decrypt_tlen = v64; - v64 = atomic64_read(&alg->sign_cnt); - rakcipher.stat_sign_cnt = v64; - v64 = atomic64_read(&alg->verify_cnt); - rakcipher.stat_verify_cnt = v64; - v64 = atomic64_read(&alg->akcipher_err_cnt); - rakcipher.stat_akcipher_err_cnt = v64; + rakcipher.stat_encrypt_cnt = atomic64_read(&alg->encrypt_cnt); + rakcipher.stat_encrypt_tlen = atomic64_read(&alg->encrypt_tlen); + rakcipher.stat_decrypt_cnt = atomic64_read(&alg->decrypt_cnt); + rakcipher.stat_decrypt_tlen = atomic64_read(&alg->decrypt_tlen); + rakcipher.stat_sign_cnt = atomic64_read(&alg->sign_cnt); + rakcipher.stat_verify_cnt = atomic64_read(&alg->verify_cnt); + rakcipher.stat_akcipher_err_cnt = atomic64_read(&alg->akcipher_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER, sizeof(rakcipher), &rakcipher); @@ -151,20 +119,15 @@ static int crypto_report_akcipher(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_kpp rkpp; - u64 v; memset(&rkpp, 0, sizeof(rkpp)); strscpy(rkpp.type, "kpp", sizeof(rkpp.type)); - v = atomic64_read(&alg->setsecret_cnt); - rkpp.stat_setsecret_cnt = v; - v = atomic64_read(&alg->generate_public_key_cnt); - rkpp.stat_generate_public_key_cnt = v; - v = atomic64_read(&alg->compute_shared_secret_cnt); - rkpp.stat_compute_shared_secret_cnt = v; - v = atomic64_read(&alg->kpp_err_cnt); - rkpp.stat_kpp_err_cnt = v; + rkpp.stat_setsecret_cnt = atomic64_read(&alg->setsecret_cnt); + rkpp.stat_generate_public_key_cnt = atomic64_read(&alg->generate_public_key_cnt); + rkpp.stat_compute_shared_secret_cnt = atomic64_read(&alg->compute_shared_secret_cnt); + rkpp.stat_kpp_err_cnt = atomic64_read(&alg->kpp_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp); } @@ -172,18 +135,14 @@ static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_ahash(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_hash rhash; - u64 v64; memset(&rhash, 0, sizeof(rhash)); strscpy(rhash.type, "ahash", sizeof(rhash.type)); - v64 = atomic64_read(&alg->hash_cnt); - rhash.stat_hash_cnt = v64; - v64 = atomic64_read(&alg->hash_tlen); - rhash.stat_hash_tlen = v64; - v64 = atomic64_read(&alg->hash_err_cnt); - rhash.stat_hash_err_cnt = v64; + rhash.stat_hash_cnt = atomic64_read(&alg->hash_cnt); + rhash.stat_hash_tlen = atomic64_read(&alg->hash_tlen); + rhash.stat_hash_err_cnt = atomic64_read(&alg->hash_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash); } @@ -191,18 +150,14 @@ static int crypto_report_ahash(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_shash(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_hash rhash; - u64 v64; memset(&rhash, 0, sizeof(rhash)); strscpy(rhash.type, "shash", sizeof(rhash.type)); - v64 = atomic64_read(&alg->hash_cnt); - rhash.stat_hash_cnt = v64; - v64 = atomic64_read(&alg->hash_tlen); - rhash.stat_hash_tlen = v64; - v64 = atomic64_read(&alg->hash_err_cnt); - rhash.stat_hash_err_cnt = v64; + rhash.stat_hash_cnt = atomic64_read(&alg->hash_cnt); + rhash.stat_hash_tlen = atomic64_read(&alg->hash_tlen); + rhash.stat_hash_err_cnt = atomic64_read(&alg->hash_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash); } @@ -210,20 +165,15 @@ static int crypto_report_shash(struct sk_buff *skb, struct crypto_alg *alg) static int crypto_report_rng(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_stat_rng rrng; - u64 v64; memset(&rrng, 0, sizeof(rrng)); strscpy(rrng.type, "rng", sizeof(rrng.type)); - v64 = atomic64_read(&alg->generate_cnt); - rrng.stat_generate_cnt = v64; - v64 = atomic64_read(&alg->generate_tlen); - rrng.stat_generate_tlen = v64; - v64 = atomic64_read(&alg->seed_cnt); - rrng.stat_seed_cnt = v64; - v64 = atomic64_read(&alg->rng_err_cnt); - rrng.stat_rng_err_cnt = v64; + rrng.stat_generate_cnt = atomic64_read(&alg->generate_cnt); + rrng.stat_generate_tlen = atomic64_read(&alg->generate_tlen); + rrng.stat_seed_cnt = atomic64_read(&alg->seed_cnt); + rrng.stat_rng_err_cnt = atomic64_read(&alg->rng_err_cnt); return nla_put(skb, CRYPTOCFGA_STAT_RNG, sizeof(rrng), &rrng); }