linux-kernel - [PATCH 2.6.19-rc3] i386/io_apic: fix compiler warning in create

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Message-ID: <tkrat.b1c929dd899e625a@s5r6.in-berlin.de>
Date:	Sun, 29 Oct 2006 22:04:17 +0100 (CET)
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Ingo Molnar <mingo@...hat.com>
cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2.6.19-rc3] i386/io_apic: fix compiler warning in create_irq

Fix warning
arch/i386/kernel/io_apic.c: In function `create_irq':
arch/i386/kernel/io_apic.c:2420: warning: 'vector' might be used uninitialized in this function

Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---

Only compile-tested.
arch/x86_64/kernel/io_apic.c seems to have the same initialization already.

Index: linux-2.6.19-rc3/arch/i386/kernel/io_apic.c
===================================================================
--- linux-2.6.19-rc3.orig/arch/i386/kernel/io_apic.c	2006-10-29 20:41:20.000000000 +0100
+++ linux-2.6.19-rc3/arch/i386/kernel/io_apic.c	2006-10-29 21:55:19.000000000 +0100
@@ -2421,6 +2421,7 @@ int create_irq(void)
 	unsigned long flags;
 
 	irq = -ENOSPC;
+	vector = 0;
 	spin_lock_irqsave(&vector_lock, flags);
 	for (new = (NR_IRQS - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))


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