[PATCH 4.9 053/109] ravb: Remove Rx overflow log messages

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kazuya Mizuguchi <kazuya.mizuguchi...@renesas.com>


[ Upstream commit 18a3ed59d09cf81a6447aadf6931bf0c9ffec5e0 ]

Remove Rx overflow log messages as in an environment where logging results
in network traffic logging may cause further overflows.

Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi...@renesas.com>
[simon: reworked changelog]
Signed-off-by: Simon Horman <horms+rene...@verge.net.au>
Acked-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>
Signed-off-by: David S. Miller <da...@davemloft.net>

Signed-off-by: Sasha Levin <alexander.le...@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/net/ethernet/renesas/ravb_main.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -941,14 +941,10 @@ static int ravb_poll(struct napi_struct
        /* Receive error message handling */
        priv->rx_over_errors =  priv->stats[RAVB_BE].rx_over_errors;
        priv->rx_over_errors += priv->stats[RAVB_NC].rx_over_errors;
-       if (priv->rx_over_errors != ndev->stats.rx_over_errors) {
+       if (priv->rx_over_errors != ndev->stats.rx_over_errors)
                ndev->stats.rx_over_errors = priv->rx_over_errors;
-               netif_err(priv, rx_err, ndev, "Receive Descriptor Empty\n");
-       }
-       if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors) {
+       if (priv->rx_fifo_errors != ndev->stats.rx_fifo_errors)
                ndev->stats.rx_fifo_errors = priv->rx_fifo_errors;
-               netif_err(priv, rx_err, ndev, "Receive FIFO Overflow\n");
-       }
 out:
        return budget - quota;
 }