From patchwork Wed Aug 9 16:16:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 9891249 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 DC40760384 for ; Wed, 9 Aug 2017 17:05:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C8F4628A64 for ; Wed, 9 Aug 2017 17:05:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BD9CA28A85; Wed, 9 Aug 2017 17:05:46 +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=-6.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AEBE28A64 for ; Wed, 9 Aug 2017 17:05:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752976AbdHIRFn (ORCPT ); Wed, 9 Aug 2017 13:05:43 -0400 Received: from gateway30.websitewelcome.com ([192.185.180.41]:30192 "EHLO gateway30.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752617AbdHIRFm (ORCPT ); Wed, 9 Aug 2017 13:05:42 -0400 X-Greylist: delayed 1500 seconds by postgrey-1.27 at vger.kernel.org; Wed, 09 Aug 2017 13:05:41 EDT Received: from cm11.websitewelcome.com (cm11.websitewelcome.com [100.42.49.5]) by gateway30.websitewelcome.com (Postfix) with ESMTP id 3203E1FB93 for ; Wed, 9 Aug 2017 11:16:04 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id fTdZdDDSt7GnJfTdZdvSsm; Wed, 09 Aug 2017 11:15:13 -0500 Received: from [187.192.74.87] (port=56712 helo=embeddedgus) by gator4166.hostgator.com with esmtpa (Exim 4.87) (envelope-from ) id 1dfTeN-00401d-TL; Wed, 09 Aug 2017 11:16:03 -0500 Date: Wed, 9 Aug 2017 11:16:03 -0500 From: "Gustavo A. R. Silva" To: Kishon Vijay Abraham I , Bjorn Helgaas Cc: linux-omap@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] PCI: dwc: dra7xx: fix error return code in dra7xx_pcie_probe() Message-ID: <20170809161603.GA31297@embeddedgus> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 187.192.74.87 X-Exim-ID: 1dfTeN-00401d-TL X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedgus) [187.192.74.87]:56712 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 10 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP platform_get_irq() returns an error code, but the pci-dra7xx driver ignores it and always returns -EINVAL. This is not correct and, prevents -EPROBE_DEFER from being propagated properly. Print and propagate the return value of platform_get_irq on failure. This issue was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva Acked-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pci-dra7xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index f2fc5f4..f58e1b4 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -616,8 +616,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { - dev_err(dev, "missing IRQ resource\n"); - return -EINVAL; + dev_err(dev, "missing IRQ resource: %d\n", irq); + return irq; } res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ti_conf");