altera_tse: Fix return of eth_device's recv() callback

It seems to be good practice to return the number of received bytes in the
eth_device's recv() callback, here: tse_eth_rx().

Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>

diff --git a/drivers/net/altera_tse.c b/drivers/net/altera_tse.c
index 8b18ad0b0d5ef54fd8306ac0701a0528f34112e5..5b00717d11bb342f428ee2beb42e0b0650757108 100644 (file)
--- a/drivers/net/altera_tse.c
+++ b/drivers/net/altera_tse.c
@@ -323,6 +323,8 @@ static int tse_eth_rx(struct eth_device *dev)
 
                /* setup the sgdma */
                alt_sgdma_do_async_transfer(priv->sgdma_rx, &rx_desc[0]);
+
+               return packet_length;
        }
 
        return -1;