From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 16 Nov 2014 01:20:04 +0100 (CET) Received: from mail-pd0-f173.google.com ([209.85.192.173]:33114 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27013751AbaKPAT2Wc80W (ORCPT ); Sun, 16 Nov 2014 01:19:28 +0100 Received: by mail-pd0-f173.google.com with SMTP id v10so18956310pde.32 for ; Sat, 15 Nov 2014 16:19:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=n+TVPFzqgMZjVnVI+Je3ShUtsk2de6qHZEE/a1wfJSc=; b=qGRqPtmw+aPDgX0tod7nN12ufwXppWJY+B/GaoNhJUn4wFfTIXT4KZ2oylDnVfVV1r JuU7UcOqTSo15fqtS512PrzRIHNRUmgRx+SyW0AjETWZEGMPWFcZSQ1RDOwJDmB56Qes P1dY+acLCOZ0WJ427nyPJ5r6WOOB05YjFl8MhM4W/wzKBjADHbZWmNHji29D75uXaKmm 10tqpiVeChvc0ZtmZhNQHzGjSnu0y9uX6TIY7kmQeMYTy+BeX6X6IAwviCASZ6RSoo8J J4NITIAav/JqSgpVPHqMLXJqT50qY7rfk8nguVVvPF0Q3688RoOrcHhdKL4ZPzMdMIaj 5/eQ== X-Received: by 10.70.92.201 with SMTP id co9mr62413pdb.134.1416097162418; Sat, 15 Nov 2014 16:19:22 -0800 (PST) Received: from localhost (b32.net. [192.81.132.72]) by mx.google.com with ESMTPSA id xn4sm11099440pab.9.2014.11.15.16.19.20 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 15 Nov 2014 16:19:21 -0800 (PST) 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, linux-mips@linux-mips.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 02/22] irqchip: brcmstb-l2: fix error handling of irq_of_parse_and_map Date: Sat, 15 Nov 2014 16:17:26 -0800 Message-Id: <1416097066-20452-3-git-send-email-cernekee@gmail.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1416097066-20452-1-git-send-email-cernekee@gmail.com> References: <1416097066-20452-1-git-send-email-cernekee@gmail.com> Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 44193 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: cernekee@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips 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-brcmstb-l2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 4aa653a..313c2c6 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -139,9 +139,9 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np, writel(0xffffffff, data->base + CPU_CLEAR); data->parent_irq = irq_of_parse_and_map(np, 0); - if (data->parent_irq < 0) { + if (!data->parent_irq) { pr_err("failed to find parent interrupt\n"); - ret = data->parent_irq; + ret = -EINVAL; goto out_unmap; } -- 2.1.1