[PATCH] x86_64 irq: Properly update vector_irq

This patch fixes my one line thinko where I was clearing
the vector_irq entries on the wrong cpus.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/io_apic.c

@@ -660,7 +660,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask, cpumask_t *result)
 		}
 		if (old_vector >= 0) {
 			int old_cpu;
-			for_each_cpu_mask(old_cpu, domain)
+			for_each_cpu_mask(old_cpu, irq_domain[irq])
 				per_cpu(vector_irq, old_cpu)[old_vector] = -1;
 		}
 		for_each_cpu_mask(new_cpu, domain)