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ucc_geth: fix for RX skb buffers recycling

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This patch implements a proper modification of RX skb buffers before
recycling. Adjusting only skb->data is not enough because after that
skb->tail and skb->len become incorrect.

Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergey Matyukevich 2010-06-14 06:35:20 +00:00 committed by David S. Miller
parent 8b1d920fa5
commit db176edc89
1 changed files with 2 additions and 0 deletions
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drivers/net/ucc_geth.c
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@ -3215,6 +3215,8 @@ static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit
__func__, __LINE__, (u32) skb); __func__, __LINE__, (u32) skb);
if (skb) { if (skb) {
skb->data = skb->head + NET_SKB_PAD; skb->data = skb->head + NET_SKB_PAD;
skb->len = 0;
skb_reset_tail_pointer(skb);
__skb_queue_head(&ugeth->rx_recycle, skb); __skb_queue_head(&ugeth->rx_recycle, skb);
} }