From: Sowmini Varadhan Date: Mon, 13 Feb 2017 18:56:58 +0000 (-0800) Subject: sunvnet: remove unused variable in maybe_tx_wakeup X-Git-Tag: android-x86-8.1-r1~4096^2~110^2~6 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d4aa89cc2bbe021722c946eb11b21ebb0f13c825;p=android-x86%2Fkernel.git sunvnet: remove unused variable in maybe_tx_wakeup The vio_dring_state *dr variable is unused in maybe_tx_wakeup(). As the comments indicate, we call maybe_tx_wakeup() whenever we get a STOPPED LDC message on the port. If the queue is stopped, we want to wake it up so that we will send another START message at the next TX and trigger the consumer to drain the dring. Signed-off-by: Sowmini Varadhan Signed-off-by: Shannon Nelson Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index c71f0007ad5b..0f940f0e488d 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c @@ -719,12 +719,8 @@ static void maybe_tx_wakeup(struct vnet_port *port) txq = netdev_get_tx_queue(VNET_PORT_TO_NET_DEVICE(port), port->q_index); __netif_tx_lock(txq, smp_processor_id()); - if (likely(netif_tx_queue_stopped(txq))) { - struct vio_dring_state *dr; - - dr = &port->vio.drings[VIO_DRIVER_TX_RING]; + if (likely(netif_tx_queue_stopped(txq))) netif_tx_wake_queue(txq); - } __netif_tx_unlock(txq); }