From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-186.mta0.migadu.com (out-186.mta0.migadu.com [91.218.175.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D47D3EF641 for ; Tue, 17 Mar 2026 16:53:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.186 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773766436; cv=none; b=UEbnW8Y0Ejvyiu5qGgWtOFGq0qSyqXqmpvsF7fDALUuCEJ1FRvQllXQmacmC23NASCdwRALgUxOo0FlPARN6HGXsUdlVh+LnWY0GlDPBTSIbjMFCB5NGlS/jRNx0NCpwIBf5HKoawOSWObmLHlrQFukenPD5q5OJNaLGz0+2FdI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773766436; c=relaxed/simple; bh=uUZqgp56tETGHnqGOVMnhu/DmaoMiy26Kaph7kGSWAU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gX8r1EpOs3bTvYGgAvfDJaE5YO7x9upSm7CCmBCaaO5OMR/se3bNN8WKjPtMHOGKFApNQ2W3P+rnpdPdo+7crpXsTeM/NFWhZ/IvysiCKV13jrwdK8xVzUa6Axx/IcoePhm3eyD0Ov8xWsWem809x3l5rrFknE5NsMyvgVwaxsA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=EpzFASh2; arc=none smtp.client-ip=91.218.175.186 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="EpzFASh2" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1773766423; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=AB4PjFxa6AWYuYKRdmkExBbCIEkIbBbhTthhg8WwMeA=; b=EpzFASh2ZKCjNH2eBsBSN4FxoAHY49Z+Dn2wROKsqo2nMJC6GGQC1KyRmWVaNcdLm4Pkik r92aJAJU2TEL8B1rmpSNKUEzWBvuEqK9Ks+bF7gxdyqvwIWKiZTcYxUIiglHpY1OfQlUqN +wSC74kkBsxrwTh3Kre8yDEl0v9XKNU= From: Thorsten Blum To: Srujana Challa , Bharat Bhushan , Herbert Xu , "David S. Miller" Cc: Thorsten Blum , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] crypto: marvell/cesa - use memcpy_and_pad in mv_cesa_ahash_export Date: Tue, 17 Mar 2026 17:52:57 +0100 Message-ID: <20260317165258.1304521-2-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=813; i=thorsten.blum@linux.dev; h=from:subject; bh=uUZqgp56tETGHnqGOVMnhu/DmaoMiy26Kaph7kGSWAU=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDJk72145zatvuDyh+emKhBNnWht4dhvIaYmGlM3OnZimd kOgOzizo5SFQYyLQVZMkeXBrB8zfEtrKjeZROyEmcPKBDKEgYtTACbi7MnIcHDFmRXufxm2pdVE Lf+c8p/T8riSbuPqRSlcFlN1rkgXdDMyTBNMTv2ed3S34N/QCo3A2k/WeZ8+VpvWVtl7tZ6/cZW RDwA= X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Replace memset() followed by memcpy() with memcpy_and_pad() to simplify the code and to write to 'cache' only once. Signed-off-by: Thorsten Blum --- drivers/crypto/marvell/cesa/hash.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/marvell/cesa/hash.c b/drivers/crypto/marvell/cesa/hash.c index 5103d36cdfdb..2f203042d9bd 100644 --- a/drivers/crypto/marvell/cesa/hash.c +++ b/drivers/crypto/marvell/cesa/hash.c @@ -847,8 +847,7 @@ static int mv_cesa_ahash_export(struct ahash_request *req, void *hash, *len = creq->len; memcpy(hash, creq->state, digsize); - memset(cache, 0, blocksize); - memcpy(cache, creq->cache, creq->cache_ptr); + memcpy_and_pad(cache, blocksize, creq->cache, creq->cache_ptr, 0); return 0; }