[PATCH] i386: Fix io_apic.c warning

gcc 4.2 warns

linux/arch/i386/kernel/io_apic.c: In function ‘create_irq’:
linux/arch/i386/kernel/io_apic.c:2488: warning: ‘vector’ may be used uninitialized in this function

The warning is false, but somewhat legitimate so work around it.

Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index e21dcde0790e62cd389b6062803e9bd014a51048..2424cc9c7b3d60d1d673ee1668a8cb27db28344e 100644 (file)
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2485,7 +2485,7 @@ device_initcall(ioapic_init_sysfs);
 int create_irq(void)
 {
        /* Allocate an unused irq */
-       int irq, new, vector;
+       int irq, new, vector = 0;
        unsigned long flags;
 
        irq = -ENOSPC;