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authorThomas Gleixner <tglx@linutronix.de>2013-04-25 20:31:49 +0000
committerThomas Gleixner <tglx@linutronix.de>2013-05-16 11:09:17 +0200
commitccf33d6880f39a35158fff66db13000ae4943fac (patch)
treea39cb95e64c412b107c8640ae521bda78a7d1033 /kernel/time/clockevents.c
parentclockevents: Move the tick_notify() switch case to clockevents_notify() (diff)
downloadlinux-dev-ccf33d6880f39a35158fff66db13000ae4943fac.tar.xz
linux-dev-ccf33d6880f39a35158fff66db13000ae4943fac.zip
clockevents: Add module refcount
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>
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 0e3a8448e115..89e394caa769 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -357,6 +357,7 @@ 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);