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-rw-r--r--kernel/time/clockevents.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index f8d9680..ea2f48a 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -166,6 +166,8 @@ static void clockevents_notify_released(void)
void clockevents_register_device(struct clock_event_device *dev)
{
BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
+ BUG_ON(!dev->cpumask);
+
/*
* A nsec2cyc multiplicator of 0 is invalid and we'd crash
* on it, so fix it up and emit a warning:
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