From 9414b6e2d55d0f7f07c3336d972818af366ae120 Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 16 Jun 2015 23:06:56 +0100 Subject: [PATCH] irq: irq-keystone: Fix race in installing chained IRQ handler Fix a race where a pending interrupt could be received and the handler called before the handler's data has been setup, by converting to irq_set_chained_handler_and_data(). Signed-off-by: Russell King Cc: Alexandre Courbot Cc: Hans Ulli Kroll Cc: Jason Cooper Cc: Lee Jones Cc: Linus Walleij Cc: Thierry Reding Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/E1Z4z0S-0002Ss-1V@rmk-PC.arm.linux.org.uk Signed-off-by: Thomas Gleixner --- drivers/irqchip/irq-keystone.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c index 5dc61655055a..81e3cf5b9a1f 100644 --- a/drivers/irqchip/irq-keystone.c +++ b/drivers/irqchip/irq-keystone.c @@ -184,8 +184,7 @@ static int keystone_irq_probe(struct platform_device *pdev) platform_set_drvdata(pdev, kirq); - irq_set_chained_handler(kirq->irq, keystone_irq_handler); - irq_set_handler_data(kirq->irq, kirq); + irq_set_chained_handler_and_data(kirq->irq, keystone_irq_handler, kirq); /* clear all source bits */ keystone_irq_writel(kirq, ~0x0); -- 2.11.0