linux-kernel - [PATCH] x86: hpet: Fix bogus error check in hpet_assign

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Date:	Tue, 28 Sep 2010 23:20:23 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	LKML <linux-kernel@...r.kernel.org>
cc:	x86@...nel.org, Venkatesh Pallipadi <venki@...gle.com>
Subject: [PATCH] x86: hpet: Fix bogus error check in hpet_assign_irq()

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@...utronix.de>
Cc: stable@...nel.org
---
 arch/x86/kernel/hpet.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/x86/kernel/hpet.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/hpet.c
+++ linux-2.6/arch/x86/kernel/hpet.c
@@ -506,7 +506,7 @@ static int hpet_assign_irq(struct hpet_d
 {
 	unsigned int irq;
 
-	irq = create_irq();
+	irq = create_irq_nr(0, -1);
 	if (!irq)
 		return -EINVAL;
 
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