ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
Returns NETDEV_TX_BUSY when BD ring is full.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 639e1e6..dab88b9 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3607,6 +3607,7 @@
if (bd == ugeth->confBd[txQ]) {
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
}
ugeth->txBd[txQ] = bd;
@@ -3622,7 +3623,7 @@
spin_unlock_irq(&ugeth->lock);
- return 0;
+ return NETDEV_TX_OK;
}
static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)