diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-06-16 23:06:56 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-18 14:03:08 +0200 |
| commit | 9414b6e2d55d0f7f07c3336d972818af366ae120 (patch) | |
| tree | d03ac3f4500031142d88518a4a5cebb45dee120c | |
| parent | e88d251d6a4fb719f9f667a397cf5d755121e551 (diff) | |
| download | blackbird-op-linux-9414b6e2d55d0f7f07c3336d972818af366ae120.tar.gz blackbird-op-linux-9414b6e2d55d0f7f07c3336d972818af366ae120.zip | |
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 <rmk+kernel@arm.linux.org.uk>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
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 <tglx@linutronix.de>
| -rw-r--r-- | drivers/irqchip/irq-keystone.c | 3 |
1 files changed, 1 insertions, 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); |
