[GIT PULL] timer fixes

From: Ingo Molnar
Date: Tue Feb 26 2013 - 06:32:57 EST


Linus,

Please pull the latest timers-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-for-linus

HEAD: 00f4e13c4634b10f6a16b26a980b22a53dfa6bb5 clocksource : Nomadik-mtu : fix missing irq initialization

Thanks,

Ingo

------------------>
Daniel Lezcano (1):
clocksource : Nomadik-mtu : fix missing irq initialization

Tejun Heo (1):
posix-timer: Don't call idr_find() with out-of-range ID


drivers/clocksource/nomadik-mtu.c | 1 +
kernel/posix-timers.c | 7 +++++++
2 files changed, 8 insertions(+)

diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c
index 8914c3c..7cbcaa0 100644
--- a/drivers/clocksource/nomadik-mtu.c
+++ b/drivers/clocksource/nomadik-mtu.c
@@ -226,5 +226,6 @@ void __init nmdk_timer_init(void __iomem *base, int irq)
/* Timer 1 is used for events, register irq and clockevents */
setup_irq(irq, &nmdk_timer_irq);
nmdk_clkevt.cpumask = cpumask_of(0);
+ nmdk_clkevt.irq = irq;
clockevents_config_and_register(&nmdk_clkevt, rate, 2, 0xffffffffU);
}
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 10349d5..7edfe4b 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -639,6 +639,13 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags)
{
struct k_itimer *timr;

+ /*
+ * timer_t could be any type >= int and we want to make sure any
+ * @timer_id outside positive int range fails lookup.
+ */
+ if ((unsigned long long)timer_id > INT_MAX)
+ return NULL;
+
rcu_read_lock();
timr = idr_find(&posix_timers_id, (int)timer_id);
if (timr) {
--
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