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Jon Medhurst (Tixy) 5fbbb90dfd cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify ... When a kernel is built to support multiple hardware types it's possible that CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is set but the hardware the kernel is run on doesn't support cpuidle and therefore doesn't load a driver for it. In this case, when the system is shut down, cpuidle_coupled_cpu_notify() gets called with cpuidle_devices set to NULL. There are quite possibly other circumstances where this situation can also occur and we should check for it. Signed-off-by: Jon Medhurst <tixy@linaro.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>		2012-08-17 19:37:08 +02:00
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governors	PM / Domains: Add preliminary support for cpuidle, v2	2012-07-03 19:07:42 +02:00
Kconfig	cpuidle: add support for states that affect multiple cpus	2012-06-02 00:49:09 -04:00
Makefile	cpuidle: add support for states that affect multiple cpus	2012-06-02 00:49:09 -04:00
coupled.c	cpuidle: Prevent null pointer dereference in cpuidle_coupled_cpu_notify	2012-08-17 19:37:08 +02:00
cpuidle.c	Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux	2012-07-26 14:28:55 -07:00
cpuidle.h	cpuidle: add support for states that affect multiple cpus	2012-06-02 00:49:09 -04:00
driver.c	PM / cpuidle: Add driver reference counter	2012-07-03 19:06:25 +02:00
governor.c	…
sysfs.c	cpuidle: move field disable from per-driver to per-cpu	2012-07-03 19:05:31 +02:00