From patchwork Thu Jun 8 13:25:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 9774703 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3B49860393 for ; Thu, 8 Jun 2017 13:26:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D30928451 for ; Thu, 8 Jun 2017 13:26:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 21D0828508; Thu, 8 Jun 2017 13:26:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B16A728451 for ; Thu, 8 Jun 2017 13:26:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=A8Fu/3Qi67xrOEaTlFrJB3tYyinzAUDv5AqGtIIPvrs=; b=aQUHbp6G0uketDs7Zzw3MMBX7K ggCRh4qN9GHjoyUnr0euwzpdWQwx/DquNSqLcEl9NNhhj0mKKuSCfRvkQ+igTzHVAWlU4NCZL8MxE QzwZBjzDV/x/T3FZ+XGmt4HN+2AIxklbj1g/B5q5GkwkDR2Bd+JS/z+yVSuw61WwaZrD3C3W628eX 1bmTvsQph4mCVDsJM11TZo740D88tqO291ERvEeuDhzK4lWId47uisKvVFwNrFqUdlRTEBRUqNoyu O0YvDaKGFqSHEeQ0dHtVQu7gy22AvKZjHIoMk3zIIS+t3MbwM5TqYBkIJhxUD0bxrGNGtNn0YlKpk Hw9TWCoA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dIxSF-0004zN-D3; Thu, 08 Jun 2017 13:26:27 +0000 Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1dIxS6-0004mq-Vm; Thu, 08 Jun 2017 13:26:20 +0000 From: Christoph Hellwig To: x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH 01/44] firmware/ivc: use dma_mapping_error Date: Thu, 8 Jun 2017 15:25:26 +0200 Message-Id: <20170608132609.32662-2-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170608132609.32662-1-hch@lst.de> References: <20170608132609.32662-1-hch@lst.de> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP DMA_ERROR_CODE is not supposed to be used by drivers. Signed-off-by: Christoph Hellwig Acked-by: Thierry Reding --- drivers/firmware/tegra/ivc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/tegra/ivc.c b/drivers/firmware/tegra/ivc.c index 29ecfd815320..a01461d63f68 100644 --- a/drivers/firmware/tegra/ivc.c +++ b/drivers/firmware/tegra/ivc.c @@ -646,12 +646,12 @@ int tegra_ivc_init(struct tegra_ivc *ivc, struct device *peer, void *rx, if (peer) { ivc->rx.phys = dma_map_single(peer, rx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->rx.phys == DMA_ERROR_CODE) + if (dma_mapping_error(peer, ivc->rx.phys)) return -ENOMEM; ivc->tx.phys = dma_map_single(peer, tx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->tx.phys == DMA_ERROR_CODE) { + if (dma_mapping_error(peer, ivc->tx.phys)) { dma_unmap_single(peer, ivc->rx.phys, queue_size, DMA_BIDIRECTIONAL); return -ENOMEM;