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authorThomas Gleixner <tglx@linutronix.de>2013-04-25 20:31:49 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-08 07:29:27 -0800
commit409d4ffaf0c8b29693243918217cec0044979395 (patch)
tree6d9f0a5026f0cbac46802e5f9caf22fd1dc5fd89 /kernel/time/clockevents.c
parente8d630331dfe32c63438a4558eeda6f79c712485 (diff)
clockevents: Add module refcount
commit ccf33d6880f39a35158fff66db13000ae4943fac upstream. We want to be able to remove clockevent modules as well. Add a refcount so we don't remove a module with an active clock event device. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Magnus Damm <magnus.damm@gmail.com> Link: http://lkml.kernel.org/r/20130425143436.307435149@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Kim Phillips <kim.phillips@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/time/clockevents.c')
-rw-r--r--kernel/time/clockevents.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index ae7d9141f0b..9df0e3b19f0 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -392,6 +392,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
* released list and do a notify add later.
*/
if (old) {
+ module_put(old->owner);
clockevents_set_mode(old, CLOCK_EVT_MODE_UNUSED);
list_del(&old->list);
list_add(&old->list, &clockevents_released);