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Commit 8f5ad1a8 authored by Yasuaki Ishimatsu's avatar Yasuaki Ishimatsu Committed by Tony Luck
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[IA64] vector-domain - handle assign_irq_vector(AUTO_ASSIGN) 



This change fixes a panic when assign_irq_vector(irq) is called with
irq = AUTO_ASSIGN.

Signed-off-by: default avatarYasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 0de085bb

arch/ia64/kernel/irq_ia64.c

+2 −3
Original line number Diff line number Diff line
@@ -212,9 +212,6 @@ assign_irq_vector (int irq) 
	vector = -ENOSPC;



	spin_lock_irqsave(&vector_lock, flags);

	if (irq < 0) {

		goto out;

	}

	for_each_online_cpu(cpu) {

		domain = vector_allocation_domain(cpu);

		vector = find_unassigned_vector(domain);
@@ -223,6 +220,8 @@ assign_irq_vector (int irq) 
	}

	if (vector < 0)

		goto out;

	if (irq == AUTO_ASSIGN)

		irq = vector;

	BUG_ON(__bind_irq_vector(irq, vector, domain));

 out:

	spin_unlock_irqrestore(&vector_lock, flags);