linux-kernel - [tip:x86/urgent] x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING

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Message-ID: <tip-4720dd1b3858f0da2593188cb1e57eb0d3bc4af2@git.kernel.org>
Date:	Thu, 9 Dec 2010 16:48:53 GMT
From:	tip-bot for Thomas Gleixner <tglx@...utronix.de>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	akpm@...ux-foundation.org, tglx@...utronix.de
Subject: [tip:x86/urgent] x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING_IRQ=n

Commit-ID:  4720dd1b3858f0da2593188cb1e57eb0d3bc4af2
Gitweb:     http://git.kernel.org/tip/4720dd1b3858f0da2593188cb1e57eb0d3bc4af2
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 9 Dec 2010 17:43:21 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 9 Dec 2010 17:43:21 +0100

x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING_IRQ=n

arch/x86/kernel/apic/io_apic.c: In function 'ack_apic_level':
arch/x86/kernel/apic/io_apic.c:2433: warning: unused variable 'desc'

Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
LKML-Reference: <201010272107.o9RL7rse018212@...p1.linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/apic/io_apic.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7cc0a72..226060e 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2430,13 +2430,12 @@ static void ack_apic_level(struct irq_data *data)
 {
 	struct irq_cfg *cfg = data->chip_data;
 	int i, do_unmask_irq = 0, irq = data->irq;
-	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long v;
 
 	irq_complete_move(cfg);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	/* If we are moving the irq we need to mask it */
-	if (unlikely(desc->status & IRQ_MOVE_PENDING)) {
+	if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
 		do_unmask_irq = 1;
 		mask_ioapic(cfg);
 	}
--
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