From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753515AbdHIQA6 (ORCPT ); Wed, 9 Aug 2017 12:00:58 -0400 Received: from gateway32.websitewelcome.com ([192.185.145.101]:13509 "EHLO gateway32.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752646AbdHIQA4 (ORCPT ); Wed, 9 Aug 2017 12:00:56 -0400 Date: Wed, 9 Aug 2017 11:00:54 -0500 From: "Gustavo A. R. Silva" To: Darren Hart , Andy Shevchenko Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] platform/x86: intel_mid_powerbtn: fix error return code in mid_pb_probe() Message-ID: <20170809160054.GA27501@embeddedgus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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: 1dfTPj-003miE-7n X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedgus) [187.192.74.87]:56578 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 4 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org platform_get_irq() returns an error code, but the intel_mid_powerbtn driver ignores it and always returns -EINVAL. This is not correct and, prevents -EPROBE_DEFER from being propagated properly. Print error message 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 --- drivers/platform/x86/intel_mid_powerbtn.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c index 871cfa6..854a16d 100644 --- a/drivers/platform/x86/intel_mid_powerbtn.c +++ b/drivers/platform/x86/intel_mid_powerbtn.c @@ -142,8 +142,10 @@ static int mid_pb_probe(struct platform_device *pdev) if (!id) return -ENODEV; - if (irq < 0) - return -EINVAL; + if (irq < 0) { + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq); + return irq; + } input = devm_input_allocate_device(&pdev->dev); if (!input) -- 2.5.0