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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timer fixes from Ingo Molnar.

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource : Nomadik-mtu : fix missing irq initialization
  posix-timer: Don't call idr_find() with out-of-range ID
This commit is contained in:
Linus Torvalds
2013-02-26 19:43:20 -08:00
parent dcad0fceae 00f4e13c46
commit 24e55910e4
2 changed files with 8 additions and 0 deletions
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7
kernel/posix-timers.c
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@@ -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) {