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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B4445C982ED for ; Mon, 21 Sep 2026 06:12:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=8d8aSajBEkSCl37xD/gvNgyYlF4ktU+N0lkXEg+W1fc=; b=i+Yl3VrhOS/sknnqQMu72wtIsD JqdjtEcUHuTR+Sv9saB/W5IArp35BwGX30q+qgNda/jxM+SpWABusqMNLrDDPpW7vB6H0r4xERWyj 4QhkEwsgCFMT1Xp9T+tyWK0Yml+UzL2qN/FtvzXYKXcdtWj6QsL6qFuVff18zouR8QVmWpdGLN7DJ 9x6y9VX4UeZ44dpSmGv95cE/OvQHYx5ZoIB9+xTXkiMeuVa6C2bT7rWoW8r+NvxOkW/s4ds+2NORD MEil33b+z+NGbtTHzc4KMd04ZqRJ/mqdwtMRT7pDHORjVpx5ucEzYxMPiCPXFkJkDcpLgwNOXzNK0 ngueKpJw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x8XGA-000000010Ml-0P0T; Mon, 21 Sep 2026 06:12:14 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x8XG9-000000010Mc-21Eo for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2026 06:12:13 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id F40F543E04; Mon, 21 Sep 2026 06:12:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E15861F00898; Mon, 21 Sep 2026 06:12:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789971132; bh=8d8aSajBEkSCl37xD/gvNgyYlF4ktU+N0lkXEg+W1fc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=MMAjv8vM2mDaJsflzjfBJuBLAQt8U0jHy6KOsNXKmRXJNosQTDBG64F4FwsDc4Z7H KWZyCoaCfvu3pXljy5AO4AE8qvNBr5M78L+BCnWwVAB7ERLjbmzQTL8uKuS1K7oP3n HvVN8d/PRDGmpo/zLf2UchKVcdJjNR8gM181hqThbxDMlU1hhbgajZo/Uf2m3tTpYV Wfsrbll5YsR+z88ilrG2zVAoMiMxzLVzLtFNy7ooSC/M1XEEgMKgrFyVFZ8oalMIqb B9FqTfz+YVoOJhX5Xw8dp6ZNH3yKywG3pT4W72fS/y34GY1swvaKu1Uz1UabP7DcqA Dp1aFayQ2rh1A== From: Thorsten Blum To: Linus Walleij , Imre Kaloz , Corentin Labbe , Herbert Xu , "David S. Miller" Cc: Thorsten Blum , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/5] crypto: ixp4xx - use memcpy_and_pad() in register_chain_var() Date: Mon, 21 Sep 2026 08:11:22 +0200 Message-ID: <20260921061120.29694-8-blum@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260921061120.29694-6-blum@kernel.org> References: <20260921061120.29694-6-blum@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=850; i=blum@kernel.org; h=from:subject; bh=h+sNQCTo/Hc5R0bACKQJMuhh/sA+vBcP2g3X9L0Ib2o=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFkbTq0wW3fgkt/vSrd731oUl23SNDp48e4XS33WZdq/r ktfeHTyUEcpC4MYF4OsmCLLg1k/ZviW1lRuMonYCTOHlQlkCAMXpwBMRDuJ4b8ny8LfKRWxB7Yp 2mS/m58cosG58lOXlt73ULtCbbEI20mMDMfzzU+4fGnk+Lg+iGNPrsCuWosDb89XPNqw/PwHvQ/ lZzkA X-Developer-Key: i=blum@kernel.org; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use memcpy_and_pad() instead of separate memcpy() and memset() calls to simplify register_chain_var(). Signed-off-by: Thorsten Blum --- drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c index fdda04672454..33e8e887a415 100644 --- a/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c +++ b/drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c @@ -707,8 +707,7 @@ static int register_chain_var(struct crypto_tfm *tfm, u8 xpad, u32 target, return -EAGAIN; } - memcpy(pad, key, key_len); - memset(pad + key_len, 0, HMAC_PAD_BLOCKLEN - key_len); + memcpy_and_pad(pad, HMAC_PAD_BLOCKLEN, key, key_len, 0); for (i = 0; i < HMAC_PAD_BLOCKLEN; i++) pad[i] ^= xpad;