Commit 0e43785c authored Feb 13, 2009 by Johannes Weiner Committed by Ingo Molnar Feb 13, 2009

irq: use GFP_KERNEL for action allocation in request_irq()



request_irq() calls into proc code via __setup_irq() which is not safe
in an atomic context, so request_irq() can itself use the more
reliable GFP_KERNEL allocation for the action descriptor.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 74296a8e

kernel/irq/manage.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -717,7 +717,7 @@ int request_irq(unsigned int irq, irq_handler_t handler,
	if (!handler)		if (!handler)
	return -EINVAL;		return -EINVAL;

	action = kmalloc(sizeof(struct irqaction), GFP_ATOMIC);		action = kmalloc(sizeof(struct irqaction), GFP_KERNEL);
	if (!action)		if (!action)
	return -ENOMEM;		return -ENOMEM;