From patchwork Wed Jan 26 21:04:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin Labbe X-Patchwork-Id: 12725809 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2826AC433FE for ; Wed, 26 Jan 2022 21:05:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231727AbiAZVFD (ORCPT ); Wed, 26 Jan 2022 16:05:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231705AbiAZVE6 (ORCPT ); Wed, 26 Jan 2022 16:04:58 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B3B4C061747 for ; Wed, 26 Jan 2022 13:04:58 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id j5-20020a05600c1c0500b0034d2e956aadso607198wms.4 for ; Wed, 26 Jan 2022 13:04:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XtAZUKhGKHjYfajUS2uXJzGri3eZZgxbF/8hYjHFYEk=; b=OIn3/Ia6hAwycSnr3NZlODzPFqa/EJCMMeZcyRybAseGvz3913KKcmA/H91rkKTGRy PtQfeueRPyx6t8K6t93wVx+PCjkVS9zctVwzIZmUKYQxBwON5aRL824DYiXQ+itVlz2K Sw1cAgV59OhCPBW3P0QBhzyqft1TJ97SB8cwTqkSuNcoznMxv/t6isSSSbHhLDSJR5db d/iXOWT2ggnOB45ZQaTbXpOnPVIJiaeYwWznJHT1C0017g0wS3XHhlGOhyldhd0HhRd+ d01sgB7zQa3DNZMZp279y8Z+JC9O45fW0AYRLyQmW5sgpTSuKCIBqVj5mDDougmxO2K6 P9XA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XtAZUKhGKHjYfajUS2uXJzGri3eZZgxbF/8hYjHFYEk=; b=RirqOe5WAwgZZDLRDu2VgQWWXAVLuKdKLPRkxfQ0MoSi6DSHaldBZb9W03zDs3IXKK iSrMUChUlAXFVxAgLmQa2jnanpHOE8KXRU7c4jZYM8Af/Kk/OSqJAGihI79vMF1WRRPp q8Lof+qvCh9hIf5/rbavRmOzSu/S7FzcyTGJNqH4ZctIwELiu/lpqKWCKL8L0eI2tF6J JtDKrHiSnC1/sB8A5uWG7NYSYYRPopZCN2lBOtWpt5bS9GVc9ZD9YjbOWxMPhW9UFZe0 2RweAHx/J/S0m9dIzOzOEly7HRkXzh2Lt8ZYXZRNdT09jxvab1oNrUBqMY7af7gnbCns pKdw== X-Gm-Message-State: AOAM533HJlvo+rVje/zQwg1y5i26HDIHV8xrXcLUOH4yrT1vqUqtNoz6 1WjZX/ZajSBU3tprcgDGqVgcnw== X-Google-Smtp-Source: ABdhPJwtxqNJuhVN5WLIINA4xCkD2h+AHjTXiZNUQMpu9OEiqy41TS1maJtKxXblKqGCfpR2TpM3KA== X-Received: by 2002:a05:600c:281:: with SMTP id 1mr462008wmk.134.1643231096680; Wed, 26 Jan 2022 13:04:56 -0800 (PST) Received: from localhost.localdomain (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.googlemail.com with ESMTPSA id j19sm4948611wmq.17.2022.01.26.13.04.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 13:04:56 -0800 (PST) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, jernej.skrabec@gmail.com, mripard@kernel.org, wens@csie.org Cc: linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-sunxi@googlegroups.com, Corentin Labbe Subject: [PATCH 7/8] crypto: sun8i-ss: test error before assigning Date: Wed, 26 Jan 2022 21:04:40 +0000 Message-Id: <20220126210441.3661782-8-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220126210441.3661782-1-clabbe@baylibre.com> References: <20220126210441.3661782-1-clabbe@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org The first thing we should do after dma_map_single() is to test the result. Signed-off-by: Corentin Labbe --- drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index 7ebd11d3ff7d..1aae36d541d8 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -414,15 +414,15 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq) } addr_pad = dma_map_single(ss->dev, pad, j * 4, DMA_TO_DEVICE); - rctx->t_src[i].addr = addr_pad; - rctx->t_src[i].len = j; - rctx->t_dst[i].addr = addr_res; - rctx->t_dst[i].len = digestsize / 4; if (dma_mapping_error(ss->dev, addr_pad)) { dev_err(ss->dev, "DMA error on padding SG\n"); err = -EINVAL; goto theend; } + rctx->t_src[i].addr = addr_pad; + rctx->t_src[i].len = j; + rctx->t_dst[i].addr = addr_res; + rctx->t_dst[i].len = digestsize / 4; err = sun8i_ss_run_hash_task(ss, rctx, crypto_tfm_alg_name(areq->base.tfm));