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Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/time.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 011f1bf85765..6a56ae092994 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -434,10 +434,13 @@ void xen_teardown_timer(int cpu)
struct clock_event_device *evt;
BUG_ON(cpu == 0);
evt = &per_cpu(xen_clock_events, cpu).evt;
- unbind_from_irqhandler(evt->irq, NULL);
- evt->irq = -1;
- kfree(per_cpu(xen_clock_events, cpu).name);
- per_cpu(xen_clock_events, cpu).name = NULL;
+
+ if (evt->irq >= 0) {
+ unbind_from_irqhandler(evt->irq, NULL);
+ evt->irq = -1;
+ kfree(per_cpu(xen_clock_events, cpu).name);
+ per_cpu(xen_clock_events, cpu).name = NULL;
+ }
}
void xen_setup_cpu_clockevents(void)