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[mcs814x] nuport-mac: various fixes

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- properly check for the link up condition in the phylib adjust callback
- do not assign skb->dev, eth_type_trans() already does it
- handle skb allocation failures in the refill path

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33780 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian 2012-10-15 21:03:57 +00:00
parent f3263c9679
commit 05a3ece84a
1 changed files with 5 additions and 3 deletions
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8
target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
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@ -396,7 +396,7 @@ static void nuport_mac_adjust_link(struct net_device *dev)
priv->old_link = phydev->link;
}
if (phydev->link & (priv->old_duplex != phydev->duplex)) {
if (phydev->link && (priv->old_duplex != phydev->duplex)) {
reg = nuport_mac_readl(CTRL_REG);
if (phydev->duplex == DUPLEX_FULL)
reg |= DUPLEX_FULL;
@ -564,7 +564,6 @@ static int nuport_mac_rx(struct net_device *dev, int limit)
/* Get packet status */
status = get_unaligned((u32 *) (skb->data + len));
skb->dev = dev;
dma_unmap_single(&priv->pdev->dev, priv->rx_addr, skb->len,
DMA_FROM_DEVICE);
@ -615,6 +614,9 @@ static int nuport_mac_rx(struct net_device *dev, int limit)
exit:
skb = netdev_alloc_skb(dev, RX_ALLOC_SIZE);
if (!skb)
goto out;
skb_reserve(skb, RX_SKB_HEADROOM);
priv->rx_skb[priv->cur_rx] = skb;
priv->irq_rxskb[priv->cur_rx] = 1;
@ -624,7 +626,7 @@ exit:
priv->cur_rx = 0;
count++;
}
out:
return count;
}