ibm_newemac: Fixes entry of short packets

Short packets has to be discarded by the driver. So this patch addresses the
issue of discarding the short packets of size lesser then ethernet header
size.

Signed-off-by: Sathya Narayanan <sathyan@teamf1.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index ca63fa000ee7573dfac3d3e330ede857c3900362..babc79ad490b6ada422a3ce96f9fefd510050b65 100644 (file)
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1636,6 +1636,12 @@ static int emac_poll_rx(void *param, int budget)
                        goto next;
                }
 
+               if (len < ETH_HLEN) {
+                       ++dev->estats.rx_dropped_stack;
+                       emac_recycle_rx_skb(dev, slot, len);
+                       goto next;
+               }
+
                if (len && len < EMAC_RX_COPY_THRESH) {
                        struct sk_buff *copy_skb =
                            alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);