diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 55ac223553f8..b5d28dadf964 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3272,7 +3272,7 @@ static inline void netdev_tx_completed_queue(struct netdev_queue *dev_queue, */ smp_mb(); - if (dql_avail(&dev_queue->dql) < 0) + if (unlikely(dql_avail(&dev_queue->dql) < 0)) return; if (test_and_clear_bit(__QUEUE_STATE_STACK_XOFF, &dev_queue->state))