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Commit bce43032 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq: Reuse existing can set affinty check 



Add a !desc check while at it.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent a005677b

kernel/irq/manage.c

+2 −2
Original line number Diff line number Diff line
@@ -73,8 +73,8 @@ int irq_can_set_affinity(unsigned int irq) 
{

	struct irq_desc *desc = irq_to_desc(irq);



	if (!irqd_can_balance(&desc->irq_data) || !desc->irq_data.chip ||

	    !desc->irq_data.chip->irq_set_affinity)

	if (!desc || !irqd_can_balance(&desc->irq_data) ||

	    !desc->irq_data.chip || !desc->irq_data.chip->irq_set_affinity)

		return 0;



	return 1;

kernel/irq/proc.c

+1 −2
Original line number Diff line number Diff line
@@ -66,8 +66,7 @@ static ssize_t irq_affinity_proc_write(struct file *file, 
	cpumask_var_t new_value;

	int err;



	if (!irq_to_desc(irq)->irq_data.chip->irq_set_affinity || no_irq_affinity ||

	    irq_balancing_disabled(irq))

	if (!irq_can_set_affinity(irq) || no_irq_affinity)

		return -EIO;



	if (!alloc_cpumask_var(&new_value, GFP_KERNEL))