From patchwork Fri Sep 4 14:19:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 274501 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5CC3C2D0A7 for ; Fri, 4 Sep 2020 14:21:39 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5C405206B7 for ; Fri, 4 Sep 2020 14:21:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=irrelevant.dk header.i=@irrelevant.dk header.b="aK/EdPfM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5C405206B7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:58738 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kECaw-0004E3-Go for qemu-devel@archiver.kernel.org; Fri, 04 Sep 2020 10:21:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60816) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kECZy-0002Q5-Uw; Fri, 04 Sep 2020 10:20:38 -0400 Received: from charlie.dont.surf ([128.199.63.193]:47858) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kECZv-0002gY-67; Fri, 04 Sep 2020 10:20:38 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 33033BF86A; Fri, 4 Sep 2020 14:20:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=irrelevant.dk; s=default; t=1599229231; bh=hwu6doMnOXapU+iu6OF0pVkM5orkUgvHjDUFvp/qW1w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aK/EdPfMbjjAaQFHLBq1dzziiXekAlH6yNQ5L0KLNQkmp0IelGphA6+AIHjcI9/3h JKYwGSNls5om4cmcQaS8Cma4DMsxrTeq9n6xBHrCXIxI1vwXbMqIFOPhcFNQpo2ATC sAAVkQzWZsA2npV0jCMDG5Fqo120IOUWjUB3kzA7XqMemeViw4wet78Tdwgbq/ezqK 1IqEOhexn6LUBjeuVYNa6UH6sne1HqASp2n6hA41oa/MAuHgTus/SleokoCg+YY4+X H8h+ZnfCrOjUhEXQpCeT/+jLP2mXn0yDGOrYV28jBVFYAuOgJdYCpFi6l2oIC3Gi6T 20fZ9aBVGgBow== From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH 01/17] pci: pass along the return value of dma_memory_rw Date: Fri, 4 Sep 2020 16:19:40 +0200 Message-Id: <20200904141956.576630-2-its@irrelevant.dk> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200904141956.576630-1-its@irrelevant.dk> References: <20200904141956.576630-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/04 10:20:31 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Eduardo Habkost , qemu-block@nongnu.org, "Michael S. Tsirkin" , Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Some devices might want to know the return value of dma_memory_rw, so pass it along instead of ignoring it. There are no existing users of the return value, so this patch should be safe. Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Michael S. Tsirkin Acked-by: Keith Busch --- include/hw/pci/pci.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 4ca7258b5b71..896cef9ad476 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -788,8 +788,7 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev) static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, void *buf, dma_addr_t len, DMADirection dir) { - dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); - return 0; + return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); } static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr,