From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756495Ab3LBUS5 (ORCPT ); Mon, 2 Dec 2013 15:18:57 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:39148 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753114Ab3LBTRZ (ORCPT ); Mon, 2 Dec 2013 14:17:25 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Linus Walleij Subject: [PATCH 3.12 043/212] gpio: msm: make msm_gpio.summary_irq signed for error handling Date: Mon, 2 Dec 2013 11:13:54 -0800 Message-Id: <20131202191253.158714828@linuxfoundation.org> X-Mailer: git-send-email 1.8.4.3.gca3854a In-Reply-To: <20131202191248.517975703@linuxfoundation.org> References: <20131202191248.517975703@linuxfoundation.org> User-Agent: quilt/0.60-8.1.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter commit bfea603bc54c0a736d45bc60b188a8cdae9aaaa3 upstream. There is a bug in msm_gpio_probe() where we do: msm_gpio.summary_irq = platform_get_irq(pdev, 0); if (msm_gpio.summary_irq < 0) { The problem is that "msm_gpio.summary_irq" is unsigned so the error handling doesn't work. I've fixed it by making it signed. Fixes: 43f68444bce7 ('gpio: msm: Add device tree and irqdomain support for gpio-msm-v2') Signed-off-by: Dan Carpenter Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-msm-v2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -102,7 +102,7 @@ struct msm_gpio_dev { DECLARE_BITMAP(wake_irqs, MAX_NR_GPIO); DECLARE_BITMAP(dual_edge_irqs, MAX_NR_GPIO); struct irq_domain *domain; - unsigned int summary_irq; + int summary_irq; void __iomem *msm_tlmm_base; };