From nobody Fri Apr 10 22:05:44 2026 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 19038C25B0E for ; Fri, 19 Aug 2022 06:09:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346532AbiHSGJb (ORCPT ); Fri, 19 Aug 2022 02:09:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346551AbiHSGIf (ORCPT ); Fri, 19 Aug 2022 02:08:35 -0400 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F37C5766D for ; Thu, 18 Aug 2022 23:08:25 -0700 (PDT) Received: by mail-ed1-x534.google.com with SMTP id e13so4416674edj.12 for ; Thu, 18 Aug 2022 23:08:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ionos.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=G8Fa6mUqYf/+9pmayD/JU97JJ5c1rtwFfoeWsGQuVn0=; b=Wa2YE/4iuBwhCxA/2sLMGxafjNWNp8R5Y5GvUjuw9r41tK8Wcx/EKw+2H+1/Veywgc LJQ+v73iCinphAmOCiTHHaEKqV/BmvDch1rJUfPEwxvwKNwdrPi+huIrtM6hsfPxL7Xy G4M4VWQQtWxc4APJhsQYsWSK8VbHm9A8N6uK9gEIJWWGfMFQTt29abAUXGvjYldp/mVM 94gjFIMTn7ap2pgpIGqnx52ill0+26zTXJXgcU/wShPvvVBMOYCaaF+IznVZ8dp9H0mm o8C017Lq9lLvphIDql/BSULFsWxxtUVWCEcpxQD5tJ7WGxyFvAzt7it8+bgrQSrODYgd RbYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=G8Fa6mUqYf/+9pmayD/JU97JJ5c1rtwFfoeWsGQuVn0=; b=USYaU2QqYob4a2JV1XwrkVGz2ZgIpidLaio9Zs2MeOACMlk1RrPdRhg2zQsnFgf+WE bEj5xc2zh95AGZnm5rt2lUKQ4b1lEqlM5BxvjPzJem9b3wbth/os88s72ZqvB3MsD6iN XrGOrVsMZahyLOOXfLWirDOODOrzSS7fCSJR2oB8pGYo6TtqeCizpnMiHphSVCXtvZZ1 MBoHB7WgBwKhjI4LS4gkq6v0A6wVWOVEHU96ubz0pKH4zXmGxPKLwibFLs14EQ5SCAQg aHu/QviV8PgW2W5w+JZcxuwqQ5uAGgFdc6LHUu4IrkRvisWP0TOauBFK3PIqc1J48J1a VT7A== X-Gm-Message-State: ACgBeo17hgH0i4mFNrQQmcscfLoXI4n43xSG4TU0gRpE0mvjLVaFcO7c IYy5L6zzxGM70+bUwopJzctbpZ0lousSZ12c X-Google-Smtp-Source: AA6agR6BA7zdNhkAb4nZuW4FclGhlWv4j7pNqcDrjThensw54HFO+0JNP9+6BQjpOTtkHWznXs4rkA== X-Received: by 2002:a05:6402:d57:b0:445:fba7:422d with SMTP id ec23-20020a0564020d5700b00445fba7422dmr4929146edb.138.1660889303801; Thu, 18 Aug 2022 23:08:23 -0700 (PDT) Received: from lb02065.fritz.box ([2001:9e8:143b:fd00:5207:8c7f:747a:b80d]) by smtp.gmail.com with ESMTPSA id y14-20020a1709063a8e00b0073a644ef803sm1809660ejd.101.2022.08.18.23.08.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Aug 2022 23:08:23 -0700 (PDT) From: Jack Wang To: linux-kernel@vger.kernel.org Cc: Alexander Shishkin Subject: [PATCH v1 13/19] intel_th: Fix dma_map_sg error check Date: Fri, 19 Aug 2022 08:07:55 +0200 Message-Id: <20220819060801.10443-14-jinpu.wang@ionos.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220819060801.10443-1-jinpu.wang@ionos.com> References: <20220819060801.10443-1-jinpu.wang@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" dma_map_sg return 0 on error. Cc: Alexander Shishkin Cc: linux-kernel@vger.kernel.org Signed-off-by: Jack Wang --- drivers/hwtracing/intel_th/msu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/= msu.c index 6c8215a47a60..b49237d56a60 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -931,7 +931,7 @@ static int msc_buffer_contig_alloc(struct msc *msc, uns= igned long size) =20 ret =3D dma_map_sg(msc_dev(msc)->parent->parent, msc->single_sgt.sgl, 1, DMA_FROM_DEVICE); - if (ret < 0) + if (!ret) goto err_free_pages; =20 msc->nr_pages =3D nr_pages; --=20 2.34.1