asix: silence log message from oversize packet

commit b70183db83552cf63cac51406aaf76a2cf5fca73 upstream.

Since it is possible for an external system to send oversize packets
at anytime, it is best for driver not to print a message and spam
the log (potential external DoS).

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=109471

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 3d068fe..9f53698 100644 (file)
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -361,7 +361,7 @@ static int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
                }
 
                if (rx->size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
-                       netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
+                       netdev_dbg(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
                                   rx->size);
                        kfree_skb(rx->ax_skb);
                        return 0;