From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757403Ab3LBUT2 (ORCPT ); Mon, 2 Dec 2013 15:19:28 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:39149 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753828Ab3LBTRU (ORCPT ); Mon, 2 Dec 2013 14:17:20 -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 3.12 042/212] gpio: mvebu: make mvchip->irqbase signed for error handling Date: Mon, 2 Dec 2013 11:13:53 -0800 Message-Id: <20131202191253.067139399@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 d535922691fc026479fcc03e78ac3d931a54e75a upstream. There is a bug in mvebu_gpio_probe() where we do: mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1); if (mvchip->irqbase < 0) { The problem is that mvchip->irqbase is unsigned so the error handling doesn't work. I have changed it to be a regular int. Signed-off-by: Dan Carpenter Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-mvebu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -79,7 +79,7 @@ struct mvebu_gpio_chip { spinlock_t lock; void __iomem *membase; void __iomem *percpu_membase; - unsigned int irqbase; + int irqbase; struct irq_domain *domain; int soc_variant; };