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r8169: fix 8168evl frame padding. 

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: hayeswang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Bader 2013-04-26 13:49:32 +00:00 committed by David S. Miller
parent b424332d0a
commit e5195c1f31
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/realtek/r8169.c
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@ -5787,6 +5787,14 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
goto err_stop_0;
}
/* 8168evl does not automatically pad to minimum length. */
if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
skb->len < ETH_ZLEN)) {
if (skb_padto(skb, ETH_ZLEN))
goto err_update_stats;
skb_put(skb, ETH_ZLEN - skb->len);
}
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
goto err_stop_0;
@ -5858,6 +5866,7 @@ err_dma_1:
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
err_dma_0:
dev_kfree_skb(skb);
err_update_stats:
dev->stats.tx_dropped++;
return NETDEV_TX_OK;