irq: irq-keystone: Fix race in installing chained IRQ handler
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 16 Jun 2015 22:06:56 +0000 (23:06 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 18 Jun 2015 12:03:08 +0000 (14:03 +0200)
commit9414b6e2d55d0f7f07c3336d972818af366ae120
treed03ac3f4500031142d88518a4a5cebb45dee120c
parente88d251d6a4fb719f9f667a397cf5d755121e551
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>
drivers/irqchip/irq-keystone.c