From patchwork Sat Apr 12 10:47:42 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herbert Xu X-Patchwork-Id: 880601 Received: from abb.hmeau.com (abb.hmeau.com [144.6.53.87]) (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 AF58418B46C for ; Sat, 12 Apr 2025 10:47:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=144.6.53.87 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744454869; cv=none; b=d0pWuXGm2hXImQJ+uqi7CePnLzRIk5A+Jv1PHkvylJtSugSQGxj7S4uRl9EuxEjPU3wLBjeMm7YKY/CeJzArTq+bsDFGu4wK7PKrD4aeEeA3HRsUZaeF9/nIuDP1rPQjPFnMiuWbuI5dWcQQfVEtsedNQFl9yOsKr4S0ofcjZhY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744454869; c=relaxed/simple; bh=Oic9AtyKm+fTVJK97SHmF2CeA+KmZDgJaEp5wSGK+DQ=; h=Date:Message-Id:In-Reply-To:References:From:Subject:To; b=p3KFnJS3/eVlLAA9He8LBO2eZ2wKxuBieNX0HBTzOTmTUDlxXQbA94aSn21u5C6F/1jUkEtfVY8vFezrI1BAWImMU7g93v04U9FikqON/FwJvyopiG/vpgoBSbXQ1K97mjhvaVAoOZsHfOwI/pt+0AdkkRKkJ87zmuGsJH6ztF8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au; spf=pass smtp.mailfrom=gondor.apana.org.au; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b=YtTHupO3; arc=none smtp.client-ip=144.6.53.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gondor.apana.org.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=hmeau.com header.i=@hmeau.com header.b="YtTHupO3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=hmeau.com; s=formenos; h=To:Subject:From:References:In-Reply-To:Message-Id:Date:Sender: Reply-To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=XIMEU82CXaTecQBLG692Eyt/sj/Ly3LM2J+J08JBDZk=; b=YtTHupO3v6dHQvjKngvxY5SSha gkuBdG+f5kkdqkjTex5G3IqCpiCx7hRU2RzxRMmDCpM42R8OsjvxAOog4cbexnys4967eJPN0j/rh Z3/peSZYUVn0OQZACp84j5ULETYfEsdwtBValDzjrLrBhrDK+ya3oh85yByaYST21q82d/vhSYoJ+ q+apvTCcE77WkfePecMxK8Uk93kK8hTxZ5fcHZCvaJ/2eTqQ6URBRImc3gA03fP2uZUjUbXnae3Jl jvoTcb7Z9tbIxBCfqxr+jsdSYteplD3NN5NuzPts0jbGauUW4+jAjgihcm73/BbPICWSP82hlCDOy 3e+W86Xg==; Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1u3YOk-00F5Dx-2O; Sat, 12 Apr 2025 18:47:43 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Sat, 12 Apr 2025 18:47:42 +0800 Date: Sat, 12 Apr 2025 18:47:42 +0800 Message-Id: <9df87c9d53d8bbed751d28c2091dd0fb1705717f.1744454589.git.herbert@gondor.apana.org.au> In-Reply-To: References: From: Herbert Xu Subject: [PATCH 2/4] crypto: zynqmp-sha - Make descsize an algorithm attribute To: Linux Crypto Mailing List Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Rather than setting descsize in init_tfm, set it statically and double-check it in init_tfm. Signed-off-by: Herbert Xu --- drivers/crypto/xilinx/zynqmp-sha.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/xilinx/zynqmp-sha.c b/drivers/crypto/xilinx/zynqmp-sha.c index 580649f9bff8..f66e0a4c1169 100644 --- a/drivers/crypto/xilinx/zynqmp-sha.c +++ b/drivers/crypto/xilinx/zynqmp-sha.c @@ -60,8 +60,14 @@ static int zynqmp_sha_init_tfm(struct crypto_shash *hash) if (IS_ERR(fallback_tfm)) return PTR_ERR(fallback_tfm); + if (crypto_shash_descsize(hash) < + sizeof(struct zynqmp_sha_desc_ctx) + + crypto_shash_descsize(tfm_ctx->fbk_tfm)) { + crypto_free_shash(fallback_tfm); + return -EINVAL; + } + tfm_ctx->fbk_tfm = fallback_tfm; - hash->descsize += crypto_shash_descsize(tfm_ctx->fbk_tfm); return 0; } @@ -170,7 +176,8 @@ static struct zynqmp_sha_drv_ctx sha3_drv_ctx = { .import = zynqmp_sha_import, .init_tfm = zynqmp_sha_init_tfm, .exit_tfm = zynqmp_sha_exit_tfm, - .descsize = sizeof(struct zynqmp_sha_desc_ctx), + .descsize = sizeof(struct zynqmp_sha_desc_ctx) + + sizeof(struct sha3_state), .statesize = sizeof(struct sha3_state), .digestsize = SHA3_384_DIGEST_SIZE, .base = {