diff options
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/time.c | 11 |
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) |