diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 4f2ef5345392026c7d12e8a24e04376c04acac33..08a5738a6e1bb96f0e0f78888be3e5f639a41071 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -99,6 +99,7 @@ void dwc3_put_device_id(int id) ret = test_bit(id, dwc3_devs); WARN(!ret, "dwc3: ID %d not in use\n", id); + smp_mb__before_clear_bit(); clear_bit(id, dwc3_devs); } EXPORT_SYMBOL_GPL(dwc3_put_device_id);