From 8268a8d756bd63b9f68ee6fbe9cad0548134b2ca Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 28 Sep 2010 23:20:23 +0200
Subject: x86, hpet: Fix bogus error check in hpet_assign_irq()

commit 021989622810b02aab4b24f91e1f5ada2b654579 upstream.

create_irq() returns -1 if the interrupt allocation failed, but the
code checks for irq == 0.

Use create_irq_nr() instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Venkatesh Pallipadi <venki@google.com>
LKML-Reference: <alpine.LFD.2.00.1009282310360.2416@localhost6.localdomain6>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 arch/x86/kernel/hpet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch')

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 7cd18862f04..917c66fca56 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -507,7 +507,7 @@ static int hpet_assign_irq(struct hpet_dev *dev)
 {
 	unsigned int irq;
 
-	irq = create_irq();
+	irq = create_irq_nr(0, -1);
 	if (!irq)
 		return -EINVAL;
 
-- 
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