Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751831AbaK1Egk (ORCPT ); Thu, 27 Nov 2014 23:36:40 -0500 Received: from mail-pa0-f50.google.com ([209.85.220.50]:56381 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751139AbaK1EdL (ORCPT ); Thu, 27 Nov 2014 23:33:11 -0500 From: Kevin Cernekee To: ralf@linux-mips.org Cc: f.fainelli@gmail.com, jfraser@broadcom.com, dtor@chromium.org, tglx@linutronix.de, jason@lakedaemon.net, jogo@openwrt.org, arnd@arndb.de, computersforpeace@gmail.com, linux-mips@linux-mips.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V4 04/16] irqchip: bcm7120-l2: fix error handling of irq_of_parse_and_map Date: Thu, 27 Nov 2014 20:32:10 -0800 Message-Id: <1417149142-3756-5-git-send-email-cernekee@gmail.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1417149142-3756-1-git-send-email-cernekee@gmail.com> References: <1417149142-3756-1-git-send-email-cernekee@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dmitry Torokhov Return value of irq_of_parse_and_map() is unsigned int, with 0 indicating failure, so testing for negative result never works. Signed-off-by: Dmitry Torokhov Acked-by: Florian Fainelli Tested-by: Kevin Cernekee --- drivers/irqchip/irq-bcm7120-l2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index e7c6155b23b8..8eec8e1201d9 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -102,9 +102,9 @@ static int bcm7120_l2_intc_init_one(struct device_node *dn, unsigned int idx; parent_irq = irq_of_parse_and_map(dn, irq); - if (parent_irq < 0) { + if (!parent_irq) { pr_err("failed to map interrupt %d\n", irq); - return parent_irq; + return -EINVAL; } /* For multiple parent IRQs with multiple words, this looks like: -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/