linux-kernel - [PATCH v4 1/7] irqdomain: Fix irq_domain_alloc

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Date:	Thu, 23 Oct 2014 23:53:09 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Matthias Brugger <matthias.bgg@...il.com>, <arm@...nel.org>
CC:	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Grant Likely <grant.likely@...aro.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	<srv_heupstream@...iatek.com>, <yingjoe.chen@...il.com>,
	<hc.yen@...iatek.com>, <eddie.huang@...iatek.com>,
	<nathan.chung@...iatek.com>, <yh.chen@...iatek.com>
Subject: [PATCH v4 1/7] irqdomain: Fix irq_domain_alloc_irqs return check.

Change virq type from unsigned int to int. Otherwise the return value
check for irq_domain_alloc_irqs will always pass.

Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
---
 kernel/irq/irqdomain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 584be46..dd8d3ab 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -469,7 +469,7 @@ unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data)
 	struct irq_domain *domain;
 	irq_hw_number_t hwirq;
 	unsigned int type = IRQ_TYPE_NONE;
-	unsigned int virq;
+	int virq;
 
 	domain = irq_data->np ? irq_find_host(irq_data->np) : irq_default_domain;
 	if (!domain) {
-- 
1.8.1.1.dirty

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