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linux/drivers/clocksource
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Yongbae Park c75a45eba4 clocksource: efm32: Fix a NULL pointer dereference 
commit 7b8f10da3b upstream.

The initialisation of the efm32 clocksource first sets up the irq and only
after that initialises the data needed for irq handling. In case this
initialisation is delayed the irq handler would dereference a NULL pointer.

I'm not aware of anything that could delay the process in such a way, but it's
better to be safe than sorry, so setup the irq only when the clock event device
is ready.

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Yongbae Park <yongbae2@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-13 14:02:59 +02:00
..
acpi_pm.c treewide: Fix printks with 0x%# 2013-08-27 10:49:38 +02:00
arm_arch_timer.c clocksource: arch_timer: Do not register arch_sys_counter twice 2013-10-16 08:30:03 +02:00
arm_global_timer.c clocksource: arm_global_timer: Switch to sched_clock_register() 2013-12-11 11:40:23 +01:00
bcm2835_timer.c clocksource: bcm2835: Switch to sched_clock_register() 2013-07-30 11:24:51 -07:00
bcm_kona_timer.c clocksource: Kona: Print warning rather than panic 2014-02-06 16:01:40 +01:00
cadence_ttc_timer.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 11:34:26 -08:00
clksrc-dbx500-prcmu.c clocksource: dbx500-prcmu: Switch to sched_clock_register() 2013-07-30 11:24:52 -07:00
clksrc-of.c Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux into timers/core 2014-01-14 14:33:29 +01:00
cs5535-clockevt.c clocksource: misc drivers: Remove deprecated IRQF_DISABLED 2013-12-11 11:40:27 +01:00
cyclone.c
dummy_timer.c
dw_apb_timer_of.c clocksource: dw_apb_timer_of: Fix support for dts binding "snps,dw-apb-timer" 2013-12-10 19:49:18 +01:00
dw_apb_timer.c clocksource: misc drivers: Remove deprecated IRQF_DISABLED 2013-12-11 11:40:27 +01:00
em_sti.c clocksource: em_sti: convert to clk_prepare/unprepare 2013-10-22 22:36:24 +02:00
exynos_mct.c clocksource: exynos_mct: Fix bitmask regression for exynos4_mct_write 2015-01-29 17:40:49 -08:00
i8253.c
Kconfig Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux into timers/core 2014-01-14 14:33:29 +01:00
Makefile ARM: SoC platform changes for 3.14 2014-01-23 18:40:49 -08:00
metag_generic.c
mmio.c
moxart_timer.c ARM: clocksource: moxart: Add bitops.h include 2013-08-01 01:13:34 +02:00
mxs_timer.c clocksource: mxs_timer: Switch to sched_clock_register() 2013-07-30 11:24:52 -07:00
nomadik-mtu.c ARM: SoC DT updates for 3.14 2014-01-23 18:45:38 -08:00
samsung_pwm_timer.c clocksource: misc drivers: Remove deprecated IRQF_DISABLED 2013-12-11 11:40:27 +01:00
scx200_hrt.c
sh_cmt.c Merge branch 'clockevents/for-Simon-3.13-rc2' into clockevents/3.14 2013-12-18 15:14:36 +01:00
sh_mtu2.c Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux into timers/core 2014-01-14 14:33:29 +01:00
sh_tmu.c Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux into timers/core 2014-01-14 14:33:29 +01:00
sun4i_timer.c clockevent: sun4i: Fix race condition in the probe code 2014-12-06 15:55:34 -08:00
tcb_clksrc.c clocksource: tcb_clksrc: Remove IRQF_DISABLED 2013-10-03 16:28:40 +02:00
tegra20_timer.c clocksource: tegra: Remove deprecated IRQF_DISABLED 2013-12-11 11:40:28 +01:00
time-armada-370-xp.c Merge branch 'clockevents/3.14' of git://git.linaro.org/people/daniel.lezcano/linux into timers/core 2014-01-14 14:33:29 +01:00
time-efm32.c clocksource: efm32: Fix a NULL pointer dereference 2015-04-13 14:02:59 +02:00
time-orion.c clocksource: orion: Switch to sched_clock_register() 2013-12-11 11:40:25 +01:00
timer-marco.c Now that we have a generic arch hook for broadcast we can remove the local 2013-07-23 16:54:15 -07:00
timer-prima2.c clocksource: sirf: Switch to sched_clock_register() and use 64 bits 2013-07-30 11:24:55 -07:00
timer-sun5i.c clockevents: sun5i: Fix setup_irq init sequence 2015-04-13 14:02:59 +02:00
vf_pit_timer.c clocksource: vf_pit_timer: use complement for sched_clock reading 2014-03-06 11:34:14 +01:00
vt8500_timer.c clocksource: vt8500: Remove deprecated IRQF_DISABLED 2013-12-11 11:40:28 +01:00
zevio-timer.c